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Finding the Fourth Proportional to 328,573.44, 492,860.70 and 79,255.44

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Solution

The fourth proportional to 328,573.44, 492,860.70 and 79,255.44 is: 118,883.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,573.44 : 492,860.70 = 79,255.44 : x
  2. Step 2: Convert to fraction form
    328,573.44/492,860.70 = 79,255.44/x
  3. Step 3: Cross multiply
    328,573.44x = 492,860.70 × 79,255.44
  4. Step 4: Simplify right side
    328,573.44x = 39,061,891,637.21
  5. Step 5: Solve for x
    x = 39,061,891,637.21/328,573.44
  6. Step 6: Final answer
    x = 118,883.29

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