Finding the Fourth Proportional to 78,342.89, 108,113.36 and 42,532.13

Step by Step Solution

1. Step 1: Write the proportion equation
   78,342.89 : 108,113.36 = 42,532.13 : x
2. Step 2: Convert to fraction form
   78,342.89/108,113.36 = 42,532.13/x
3. Step 3: Cross multiply
   78,342.89x = 108,113.36 × 42,532.13
4. Step 4: Simplify right side
   78,342.89x = 4,598,291,330.48
5. Step 5: Solve for x
   x = 4,598,291,330.48/78,342.89
6. Step 6: Final answer
   x = 58,694.43