Finding the Fourth Proportional to 78,825.42, 108,778.68 and 43,017.48

Step by Step Solution

1. Step 1: Write the proportion equation
   78,825.42 : 108,778.68 = 43,017.48 : x
2. Step 2: Convert to fraction form
   78,825.42/108,778.68 = 43,017.48/x
3. Step 3: Cross multiply
   78,825.42x = 108,778.68 × 43,017.48
4. Step 4: Simplify right side
   78,825.42x = 4,679,384,691.33
5. Step 5: Solve for x
   x = 4,679,384,691.33/78,825.42
6. Step 6: Final answer
   x = 59,363.90