Finding the Fourth Proportional to 78,385.24, 108,172.43 and 42,575.95

Step by Step Solution

1. Step 1: Write the proportion equation
   78,385.24 : 108,172.43 = 42,575.95 : x
2. Step 2: Convert to fraction form
   78,385.24/108,172.43 = 42,575.95/x
3. Step 3: Cross multiply
   78,385.24x = 108,172.43 × 42,575.95
4. Step 4: Simplify right side
   78,385.24x = 4,605,543,758.18
5. Step 5: Solve for x
   x = 4,605,543,758.18/78,385.24
6. Step 6: Final answer
   x = 58,755.24