Finding the Fourth Proportional to 42,516.55, 58,753.75 and 31,887.73

Step by Step Solution

1. Step 1: Write the proportion equation
   42,516.55 : 58,753.75 = 31,887.73 : x
2. Step 2: Convert to fraction form
   42,516.55/58,753.75 = 31,887.73/x
3. Step 3: Cross multiply
   42,516.55x = 58,753.75 × 31,887.73
4. Step 4: Simplify right side
   42,516.55x = 1,873,523,716.49
5. Step 5: Solve for x
   x = 1,873,523,716.49/42,516.55
6. Step 6: Final answer
   x = 44,065.75