Finding the Fourth Proportional to 274,732.56, 411,766.69 and 141,540.16

Step by Step Solution

1. Step 1: Write the proportion equation
   274,732.56 : 411,766.69 = 141,540.16 : x
2. Step 2: Convert to fraction form
   274,732.56/411,766.69 = 141,540.16/x
3. Step 3: Cross multiply
   274,732.56x = 411,766.69 × 141,540.16
4. Step 4: Simplify right side
   274,732.56x = 58,281,522,839.45
5. Step 5: Solve for x
   x = 58,281,522,839.45/274,732.56
6. Step 6: Final answer
   x = 212,139.12