Finding the Fourth Proportional to 78,341.52, 108,111.30 and 42,531.48

Step by Step Solution

1. Step 1: Write the proportion equation
   78,341.52 : 108,111.30 = 42,531.48 : x
2. Step 2: Convert to fraction form
   78,341.52/108,111.30 = 42,531.48/x
3. Step 3: Cross multiply
   78,341.52x = 108,111.30 × 42,531.48
4. Step 4: Simplify right side
   78,341.52x = 4,598,133,593.72
5. Step 5: Solve for x
   x = 4,598,133,593.72/78,341.52
6. Step 6: Final answer
   x = 58,693.44