Finding the Fourth Proportional to 79,089.32, 109,143.23 and 43,279.31

Step by Step Solution

1. Step 1: Write the proportion equation
   79,089.32 : 109,143.23 = 43,279.31 : x
2. Step 2: Convert to fraction form
   79,089.32/109,143.23 = 43,279.31/x
3. Step 3: Cross multiply
   79,089.32x = 109,143.23 × 43,279.31
4. Step 4: Simplify right side
   79,089.32x = 4,723,643,742.03
5. Step 5: Solve for x
   x = 4,723,643,742.03/79,089.32
6. Step 6: Final answer
   x = 59,725.43