Finding the Fourth Proportional to 56,887.50, 78,501.88 and 31,732.14

Step by Step Solution

1. Step 1: Write the proportion equation
   56,887.50 : 78,501.88 = 31,732.14 : x
2. Step 2: Convert to fraction form
   56,887.50/78,501.88 = 31,732.14/x
3. Step 3: Cross multiply
   56,887.50x = 78,501.88 × 31,732.14
4. Step 4: Simplify right side
   56,887.50x = 2,491,032,646.42
5. Step 5: Solve for x
   x = 2,491,032,646.42/56,887.50
6. Step 6: Final answer
   x = 43,788.75