Finding the Fourth Proportional to 62,616.31, 86,414.04 and 37,137.76

Step by Step Solution

1. Step 1: Write the proportion equation
   62,616.31 : 86,414.04 = 37,137.76 : x
2. Step 2: Convert to fraction form
   62,616.31/86,414.04 = 37,137.76/x
3. Step 3: Cross multiply
   62,616.31x = 86,414.04 × 37,137.76
4. Step 4: Simplify right side
   62,616.31x = 3,209,223,662.12
5. Step 5: Solve for x
   x = 3,209,223,662.12/62,616.31
6. Step 6: Final answer
   x = 51,252.20