Finding the Fourth Proportional to 78,304.61, 108,061.15 and 42,494.93

Step by Step Solution

1. Step 1: Write the proportion equation
   78,304.61 : 108,061.15 = 42,494.93 : x
2. Step 2: Convert to fraction form
   78,304.61/108,061.15 = 42,494.93/x
3. Step 3: Cross multiply
   78,304.61x = 108,061.15 × 42,494.93
4. Step 4: Simplify right side
   78,304.61x = 4,592,051,004.97
5. Step 5: Solve for x
   x = 4,592,051,004.97/78,304.61
6. Step 6: Final answer
   x = 58,643.43