Finding the Fourth Proportional to 78,314.24, 108,073.02 and 42,504.28

Step by Step Solution

1. Step 1: Write the proportion equation
   78,314.24 : 108,073.02 = 42,504.28 : x
2. Step 2: Convert to fraction form
   78,314.24/108,073.02 = 42,504.28/x
3. Step 3: Cross multiply
   78,314.24x = 108,073.02 × 42,504.28
4. Step 4: Simplify right side
   78,314.24x = 4,593,565,552.65
5. Step 5: Solve for x
   x = 4,593,565,552.65/78,314.24
6. Step 6: Final answer
   x = 58,655.56