Finding the Fourth Proportional to 78,744.17, 108,664.58 and 42,934.88

Step by Step Solution

1. Step 1: Write the proportion equation
   78,744.17 : 108,664.58 = 42,934.88 : x
2. Step 2: Convert to fraction form
   78,744.17/108,664.58 = 42,934.88/x
3. Step 3: Cross multiply
   78,744.17x = 108,664.58 × 42,934.88
4. Step 4: Simplify right side
   78,744.17x = 4,665,499,944.55
5. Step 5: Solve for x
   x = 4,665,499,944.55/78,744.17
6. Step 6: Final answer
   x = 59,248.83