Finding the Fourth Proportional to 92,443.72, 138,665.98 and 29,264.15

Step by Step Solution

1. Step 1: Write the proportion equation
   92,443.72 : 138,665.98 = 29,264.15 : x
2. Step 2: Convert to fraction form
   92,443.72/138,665.98 = 29,264.15/x
3. Step 3: Cross multiply
   92,443.72x = 138,665.98 × 29,264.15
4. Step 4: Simplify right side
   92,443.72x = 4,057,942,111.78
5. Step 5: Solve for x
   x = 4,057,942,111.78/92,443.72
6. Step 6: Final answer
   x = 43,896.35