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Finding the Fourth Proportional to 46,051.79, 69,077.70 and 12,780.23

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Solution

The fourth proportional to 46,051.79, 69,077.70 and 12,780.23 is: 19,170.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,051.79 : 69,077.70 = 12,780.23 : x
  2. Step 2: Convert to fraction form
    46,051.79/69,077.70 = 12,780.23/x
  3. Step 3: Cross multiply
    46,051.79x = 69,077.70 × 12,780.23
  4. Step 4: Simplify right side
    46,051.79x = 882,828,548.48
  5. Step 5: Solve for x
    x = 882,828,548.48/46,051.79
  6. Step 6: Final answer
    x = 19,170.34

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