Finding the Fourth Proportional to 82,397.61, 123,564.43 and 28,352.02

Step by Step Solution

1. Step 1: Write the proportion equation
   82,397.61 : 123,564.43 = 28,352.02 : x
2. Step 2: Convert to fraction form
   82,397.61/123,564.43 = 28,352.02/x
3. Step 3: Cross multiply
   82,397.61x = 123,564.43 × 28,352.02
4. Step 4: Simplify right side
   82,397.61x = 3,503,301,190.65
5. Step 5: Solve for x
   x = 3,503,301,190.65/82,397.61
6. Step 6: Final answer
   x = 42,517.02