Finding the Fourth Proportional to 141,790.71, 213,076.62 and 75,280.62

Step by Step Solution

1. Step 1: Write the proportion equation
   141,790.71 : 213,076.62 = 75,280.62 : x
2. Step 2: Convert to fraction form
   141,790.71/213,076.62 = 75,280.62/x
3. Step 3: Cross multiply
   141,790.71x = 213,076.62 × 75,280.62
4. Step 4: Simplify right side
   141,790.71x = 16,040,540,061.10
5. Step 5: Solve for x
   x = 16,040,540,061.10/141,790.71
6. Step 6: Final answer
   x = 113,128.29