Finding the Fourth Proportional to 92,683.71, 139,026.27 and 60,689.72

Step by Step Solution

1. Step 1: Write the proportion equation
   92,683.71 : 139,026.27 = 60,689.72 : x
2. Step 2: Convert to fraction form
   92,683.71/139,026.27 = 60,689.72/x
3. Step 3: Cross multiply
   92,683.71x = 139,026.27 × 60,689.72
4. Step 4: Simplify right side
   92,683.71x = 8,437,465,974.10
5. Step 5: Solve for x
   x = 8,437,465,974.10/92,683.71
6. Step 6: Final answer
   x = 91,035.05