Finding the Fourth Proportional to 78,304.17, 108,060.05 and 42,494.17

Step by Step Solution

1. Step 1: Write the proportion equation
   78,304.17 : 108,060.05 = 42,494.17 : x
2. Step 2: Convert to fraction form
   78,304.17/108,060.05 = 42,494.17/x
3. Step 3: Cross multiply
   78,304.17x = 108,060.05 × 42,494.17
4. Step 4: Simplify right side
   78,304.17x = 4,591,922,134.91
5. Step 5: Solve for x
   x = 4,591,922,134.91/78,304.17
6. Step 6: Final answer
   x = 58,642.11