Finding the Fourth Proportional to 78,966.18, 108,978.60 and 44,519.42

Step by Step Solution

1. Step 1: Write the proportion equation
   78,966.18 : 108,978.60 = 44,519.42 : x
2. Step 2: Convert to fraction form
   78,966.18/108,978.60 = 44,519.42/x
3. Step 3: Cross multiply
   78,966.18x = 108,978.60 × 44,519.42
4. Step 4: Simplify right side
   78,966.18x = 4,851,663,519.52
5. Step 5: Solve for x
   x = 4,851,663,519.52/78,966.18
6. Step 6: Final answer
   x = 61,439.76