Finding the Fourth Proportional to 131,182.38, 196,878.42 and 68,020.50

Step by Step Solution

1. Step 1: Write the proportion equation
   131,182.38 : 196,878.42 = 68,020.50 : x
2. Step 2: Convert to fraction form
   131,182.38/196,878.42 = 68,020.50/x
3. Step 3: Cross multiply
   131,182.38x = 196,878.42 × 68,020.50
4. Step 4: Simplify right side
   131,182.38x = 13,391,768,567.61
5. Step 5: Solve for x
   x = 13,391,768,567.61/131,182.38
6. Step 6: Final answer
   x = 102,085.12