Finding the Fourth Proportional to 79,088.67, 109,139.72 and 43,276.28

Step by Step Solution

1. Step 1: Write the proportion equation
   79,088.67 : 109,139.72 = 43,276.28 : x
2. Step 2: Convert to fraction form
   79,088.67/109,139.72 = 43,276.28/x
3. Step 3: Cross multiply
   79,088.67x = 109,139.72 × 43,276.28
4. Step 4: Simplify right side
   79,088.67x = 4,723,160,319.76
5. Step 5: Solve for x
   x = 4,723,160,319.76/79,088.67
6. Step 6: Final answer
   x = 59,719.81