Finding the Fourth Proportional to 79,086.62, 109,139.40 and 43,276.62

Step by Step Solution

1. Step 1: Write the proportion equation
   79,086.62 : 109,139.40 = 43,276.62 : x
2. Step 2: Convert to fraction form
   79,086.62/109,139.40 = 43,276.62/x
3. Step 3: Cross multiply
   79,086.62x = 109,139.40 × 43,276.62
4. Step 4: Simplify right side
   79,086.62x = 4,723,184,340.83
5. Step 5: Solve for x
   x = 4,723,184,340.83/79,086.62
6. Step 6: Final answer
   x = 59,721.66