Finding the Fourth Proportional to 60,812.16, 91,143.72 and 34,539

Step by Step Solution

1. Step 1: Write the proportion equation
   60,812.16 : 91,143.72 = 34,539 : x
2. Step 2: Convert to fraction form
   60,812.16/91,143.72 = 34,539/x
3. Step 3: Cross multiply
   60,812.16x = 91,143.72 × 34,539
4. Step 4: Simplify right side
   60,812.16x = 3,148,012,945.08
5. Step 5: Solve for x
   x = 3,148,012,945.08/60,812.16
6. Step 6: Final answer
   x = 51,766.18