Finding the Fourth Proportional to 141,401.72, 195,135.50 and 76,870.95

Step by Step Solution

1. Step 1: Write the proportion equation
   141,401.72 : 195,135.50 = 76,870.95 : x
2. Step 2: Convert to fraction form
   141,401.72/195,135.50 = 76,870.95/x
3. Step 3: Cross multiply
   141,401.72x = 195,135.50 × 76,870.95
4. Step 4: Simplify right side
   141,401.72x = 15,000,250,291.75
5. Step 5: Solve for x
   x = 15,000,250,291.75/141,401.72
6. Step 6: Final answer
   x = 106,082.51