Finding the Fourth Proportional to 78,398.24, 108,190.32 and 42,588.52

Step by Step Solution

1. Step 1: Write the proportion equation
   78,398.24 : 108,190.32 = 42,588.52 : x
2. Step 2: Convert to fraction form
   78,398.24/108,190.32 = 42,588.52/x
3. Step 3: Cross multiply
   78,398.24x = 108,190.32 × 42,588.52
4. Step 4: Simplify right side
   78,398.24x = 4,607,665,607.13
5. Step 5: Solve for x
   x = 4,607,665,607.13/78,398.24
6. Step 6: Final answer
   x = 58,772.56