Finding the Fourth Proportional to 78,324.55, 108,088.43 and 42,514.56

Step by Step Solution

1. Step 1: Write the proportion equation
   78,324.55 : 108,088.43 = 42,514.56 : x
2. Step 2: Convert to fraction form
   78,324.55/108,088.43 = 42,514.56/x
3. Step 3: Cross multiply
   78,324.55x = 108,088.43 × 42,514.56
4. Step 4: Simplify right side
   78,324.55x = 4,595,332,042.54
5. Step 5: Solve for x
   x = 4,595,332,042.54/78,324.55
6. Step 6: Final answer
   x = 58,670.39