Finding the Fourth Proportional to 75,013.59, 112,538.71 and 52,870.22

Step by Step Solution

1. Step 1: Write the proportion equation
   75,013.59 : 112,538.71 = 52,870.22 : x
2. Step 2: Convert to fraction form
   75,013.59/112,538.71 = 52,870.22/x
3. Step 3: Cross multiply
   75,013.59x = 112,538.71 × 52,870.22
4. Step 4: Simplify right side
   75,013.59x = 5,949,945,793.52
5. Step 5: Solve for x
   x = 5,949,945,793.52/75,013.59
6. Step 6: Final answer
   x = 79,318.24