Finding the Fourth Proportional to 102,613, 141,625.20 and 60,171.52

Step by Step Solution

1. Step 1: Write the proportion equation
   102,613 : 141,625.20 = 60,171.52 : x
2. Step 2: Convert to fraction form
   102,613/141,625.20 = 60,171.52/x
3. Step 3: Cross multiply
   102,613x = 141,625.20 × 60,171.52
4. Step 4: Simplify right side
   102,613x = 8,521,803,554.30
5. Step 5: Solve for x
   x = 8,521,803,554.30/102,613
6. Step 6: Final answer
   x = 83,047.99