Finding the Fourth Proportional to 115,815.10, 173,625.45 and 60,411.10

Step by Step Solution

1. Step 1: Write the proportion equation
   115,815.10 : 173,625.45 = 60,411.10 : x
2. Step 2: Convert to fraction form
   115,815.10/173,625.45 = 60,411.10/x
3. Step 3: Cross multiply
   115,815.10x = 173,625.45 × 60,411.10
4. Step 4: Simplify right side
   115,815.10x = 10,488,904,422.50
5. Step 5: Solve for x
   x = 10,488,904,422.50/115,815.10
6. Step 6: Final answer
   x = 90,565.95