Finding the Fourth Proportional to 92,060.91, 138,003.89 and 58,687.29

Step by Step Solution

1. Step 1: Write the proportion equation
   92,060.91 : 138,003.89 = 58,687.29 : x
2. Step 2: Convert to fraction form
   92,060.91/138,003.89 = 58,687.29/x
3. Step 3: Cross multiply
   92,060.91x = 138,003.89 × 58,687.29
4. Step 4: Simplify right side
   92,060.91x = 8,099,074,020.12
5. Step 5: Solve for x
   x = 8,099,074,020.12/92,060.91
6. Step 6: Final answer
   x = 87,975.17