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Finding the Fourth Proportional to 46,940.16, 70,410.18 and 18,860.18

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Solution

The fourth proportional to 46,940.16, 70,410.18 and 18,860.18 is: 28,290.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,940.16 : 70,410.18 = 18,860.18 : x
  2. Step 2: Convert to fraction form
    46,940.16/70,410.18 = 18,860.18/x
  3. Step 3: Cross multiply
    46,940.16x = 70,410.18 × 18,860.18
  4. Step 4: Simplify right side
    46,940.16x = 1,327,948,668.63
  5. Step 5: Solve for x
    x = 1,327,948,668.63/46,940.16
  6. Step 6: Final answer
    x = 28,290.25

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