Finding the Fourth Proportional to 60,665.49, 91,325.82 and 54,562.17

Step by Step Solution

1. Step 1: Write the proportion equation
   60,665.49 : 91,325.82 = 54,562.17 : x
2. Step 2: Convert to fraction form
   60,665.49/91,325.82 = 54,562.17/x
3. Step 3: Cross multiply
   60,665.49x = 91,325.82 × 54,562.17
4. Step 4: Simplify right side
   60,665.49x = 4,982,934,916.23
5. Step 5: Solve for x
   x = 4,982,934,916.23/60,665.49
6. Step 6: Final answer
   x = 82,137.88