Finding the Fourth Proportional to 78,343.59, 108,113.54 and 42,532.88

Step by Step Solution

1. Step 1: Write the proportion equation
   78,343.59 : 108,113.54 = 42,532.88 : x
2. Step 2: Convert to fraction form
   78,343.59/108,113.54 = 42,532.88/x
3. Step 3: Cross multiply
   78,343.59x = 108,113.54 × 42,532.88
4. Step 4: Simplify right side
   78,343.59x = 4,598,379,469.96
5. Step 5: Solve for x
   x = 4,598,379,469.96/78,343.59
6. Step 6: Final answer
   x = 58,695.03