Finding the Fourth Proportional to 79,591.32, 109,833.12 and 43,779

Step by Step Solution

1. Step 1: Write the proportion equation
   79,591.32 : 109,833.12 = 43,779 : x
2. Step 2: Convert to fraction form
   79,591.32/109,833.12 = 43,779/x
3. Step 3: Cross multiply
   79,591.32x = 109,833.12 × 43,779
4. Step 4: Simplify right side
   79,591.32x = 4,808,384,160.48
5. Step 5: Solve for x
   x = 4,808,384,160.48/79,591.32
6. Step 6: Final answer
   x = 60,413.42