Finding the Fourth Proportional to 79,790.28, 110,105.58 and 43,978.32

Step by Step Solution

1. Step 1: Write the proportion equation
   79,790.28 : 110,105.58 = 43,978.32 : x
2. Step 2: Convert to fraction form
   79,790.28/110,105.58 = 43,978.32/x
3. Step 3: Cross multiply
   79,790.28x = 110,105.58 × 43,978.32
4. Step 4: Simplify right side
   79,790.28x = 4,842,258,431.03
5. Step 5: Solve for x
   x = 4,842,258,431.03/79,790.28
6. Step 6: Final answer
   x = 60,687.32