Finding the Fourth Proportional to 141,947.53, 213,061.40 and 75,387.47

Step by Step Solution

1. Step 1: Write the proportion equation
   141,947.53 : 213,061.40 = 75,387.47 : x
2. Step 2: Convert to fraction form
   141,947.53/213,061.40 = 75,387.47/x
3. Step 3: Cross multiply
   141,947.53x = 213,061.40 × 75,387.47
4. Step 4: Simplify right side
   141,947.53x = 16,062,160,621.78
5. Step 5: Solve for x
   x = 16,062,160,621.78/141,947.53
6. Step 6: Final answer
   x = 113,155.62