Finding the Fourth Proportional to 78,304.23, 108,060.20 and 42,494.24

Step by Step Solution

1. Step 1: Write the proportion equation
   78,304.23 : 108,060.20 = 42,494.24 : x
2. Step 2: Convert to fraction form
   78,304.23/108,060.20 = 42,494.24/x
3. Step 3: Cross multiply
   78,304.23x = 108,060.20 × 42,494.24
4. Step 4: Simplify right side
   78,304.23x = 4,591,936,073.25
5. Step 5: Solve for x
   x = 4,591,936,073.25/78,304.23
6. Step 6: Final answer
   x = 58,642.25