Finding the Fourth Proportional to 79,781.92, 110,105.38 and 43,978.30

Step by Step Solution

1. Step 1: Write the proportion equation
   79,781.92 : 110,105.38 = 43,978.30 : x
2. Step 2: Convert to fraction form
   79,781.92/110,105.38 = 43,978.30/x
3. Step 3: Cross multiply
   79,781.92x = 110,105.38 × 43,978.30
4. Step 4: Simplify right side
   79,781.92x = 4,842,247,433.25
5. Step 5: Solve for x
   x = 4,842,247,433.25/79,781.92
6. Step 6: Final answer
   x = 60,693.54