Finding the Fourth Proportional to 78,514.43, 108,350.19 and 42,704.48

Step by Step Solution

1. Step 1: Write the proportion equation
   78,514.43 : 108,350.19 = 42,704.48 : x
2. Step 2: Convert to fraction form
   78,514.43/108,350.19 = 42,704.48/x
3. Step 3: Cross multiply
   78,514.43x = 108,350.19 × 42,704.48
4. Step 4: Simplify right side
   78,514.43x = 4,627,037,980.10
5. Step 5: Solve for x
   x = 4,627,037,980.10/78,514.43
6. Step 6: Final answer
   x = 58,932.33