Finding the Fourth Proportional to 78,544.10, 108,391.97 and 42,734.14

Step by Step Solution

1. Step 1: Write the proportion equation
   78,544.10 : 108,391.97 = 42,734.14 : x
2. Step 2: Convert to fraction form
   78,544.10/108,391.97 = 42,734.14/x
3. Step 3: Cross multiply
   78,544.10x = 108,391.97 × 42,734.14
4. Step 4: Simplify right side
   78,544.10x = 4,632,037,456.71
5. Step 5: Solve for x
   x = 4,632,037,456.71/78,544.10
6. Step 6: Final answer
   x = 58,973.71