Finding the Fourth Proportional to 78,304.98, 108,061.67 and 42,495.30

Step by Step Solution

1. Step 1: Write the proportion equation
   78,304.98 : 108,061.67 = 42,495.30 : x
2. Step 2: Convert to fraction form
   78,304.98/108,061.67 = 42,495.30/x
3. Step 3: Cross multiply
   78,304.98x = 108,061.67 × 42,495.30
4. Step 4: Simplify right side
   78,304.98x = 4,592,112,872.67
5. Step 5: Solve for x
   x = 4,592,112,872.67/78,304.98
6. Step 6: Final answer
   x = 58,643.94