Finding the Fourth Proportional to 113,031.73, 156,005.31 and 74,792.04

Step by Step Solution

1. Step 1: Write the proportion equation
   113,031.73 : 156,005.31 = 74,792.04 : x
2. Step 2: Convert to fraction form
   113,031.73/156,005.31 = 74,792.04/x
3. Step 3: Cross multiply
   113,031.73x = 156,005.31 × 74,792.04
4. Step 4: Simplify right side
   113,031.73x = 11,667,955,385.73
5. Step 5: Solve for x
   x = 11,667,955,385.73/113,031.73
6. Step 6: Final answer
   x = 103,227.26