Finding the Fourth Proportional to 78,603.24, 108,471.81 and 42,793.17

Step by Step Solution

1. Step 1: Write the proportion equation
   78,603.24 : 108,471.81 = 42,793.17 : x
2. Step 2: Convert to fraction form
   78,603.24/108,471.81 = 42,793.17/x
3. Step 3: Cross multiply
   78,603.24x = 108,471.81 × 42,793.17
4. Step 4: Simplify right side
   78,603.24x = 4,641,852,605.54
5. Step 5: Solve for x
   x = 4,641,852,605.54/78,603.24
6. Step 6: Final answer
   x = 59,054.21