Finding the Fourth Proportional to 78,743.58, 108,664.17 and 42,934.29

Step by Step Solution

1. Step 1: Write the proportion equation
   78,743.58 : 108,664.17 = 42,934.29 : x
2. Step 2: Convert to fraction form
   78,743.58/108,664.17 = 42,934.29/x
3. Step 3: Cross multiply
   78,743.58x = 108,664.17 × 42,934.29
4. Step 4: Simplify right side
   78,743.58x = 4,665,418,987.39
5. Step 5: Solve for x
   x = 4,665,418,987.39/78,743.58
6. Step 6: Final answer
   x = 59,248.25