Finding the Fourth Proportional to 103,086.27, 142,256.64 and 60,647.53

Step by Step Solution

1. Step 1: Write the proportion equation
   103,086.27 : 142,256.64 = 60,647.53 : x
2. Step 2: Convert to fraction form
   103,086.27/142,256.64 = 60,647.53/x
3. Step 3: Cross multiply
   103,086.27x = 142,256.64 × 60,647.53
4. Step 4: Simplify right side
   103,086.27x = 8,627,513,842.10
5. Step 5: Solve for x
   x = 8,627,513,842.10/103,086.27
6. Step 6: Final answer
   x = 83,692.17