Finding the Fourth Proportional to 92,156.31, 138,233.55 and 42,222.24

Step by Step Solution

1. Step 1: Write the proportion equation
   92,156.31 : 138,233.55 = 42,222.24 : x
2. Step 2: Convert to fraction form
   92,156.31/138,233.55 = 42,222.24/x
3. Step 3: Cross multiply
   92,156.31x = 138,233.55 × 42,222.24
4. Step 4: Simplify right side
   92,156.31x = 5,836,530,124.15
5. Step 5: Solve for x
   x = 5,836,530,124.15/92,156.31
6. Step 6: Final answer
   x = 63,332.94