Finding the Fourth Proportional to 78,304.48, 108,060.98 and 42,494.80

Step by Step Solution

1. Step 1: Write the proportion equation
   78,304.48 : 108,060.98 = 42,494.80 : x
2. Step 2: Convert to fraction form
   78,304.48/108,060.98 = 42,494.80/x
3. Step 3: Cross multiply
   78,304.48x = 108,060.98 × 42,494.80
4. Step 4: Simplify right side
   78,304.48x = 4,592,029,732.90
5. Step 5: Solve for x
   x = 4,592,029,732.90/78,304.48
6. Step 6: Final answer
   x = 58,643.26