Finding the Fourth Proportional to 140,086.55, 209,937.09 and 60,028.69

Step by Step Solution

1. Step 1: Write the proportion equation
   140,086.55 : 209,937.09 = 60,028.69 : x
2. Step 2: Convert to fraction form
   140,086.55/209,937.09 = 60,028.69/x
3. Step 3: Cross multiply
   140,086.55x = 209,937.09 × 60,028.69
4. Step 4: Simplify right side
   140,086.55x = 12,602,247,445.43
5. Step 5: Solve for x
   x = 12,602,247,445.43/140,086.55
6. Step 6: Final answer
   x = 89,960.44