Finding the Fourth Proportional to 78,552.97, 108,402.59 and 42,743.12

Step by Step Solution

1. Step 1: Write the proportion equation
   78,552.97 : 108,402.59 = 42,743.12 : x
2. Step 2: Convert to fraction form
   78,552.97/108,402.59 = 42,743.12/x
3. Step 3: Cross multiply
   78,552.97x = 108,402.59 × 42,743.12
4. Step 4: Simplify right side
   78,552.97x = 4,633,464,477.53
5. Step 5: Solve for x
   x = 4,633,464,477.53/78,552.97
6. Step 6: Final answer
   x = 58,985.23