Finding the Fourth Proportional to 60,916.55, 91,153.39 and 50,287.73

Step by Step Solution

1. Step 1: Write the proportion equation
   60,916.55 : 91,153.39 = 50,287.73 : x
2. Step 2: Convert to fraction form
   60,916.55/91,153.39 = 50,287.73/x
3. Step 3: Cross multiply
   60,916.55x = 91,153.39 × 50,287.73
4. Step 4: Simplify right side
   60,916.55x = 4,583,897,064.90
5. Step 5: Solve for x
   x = 4,583,897,064.90/60,916.55
6. Step 6: Final answer
   x = 75,248.80