Finding the Fourth Proportional to 79,089.73, 109,143.80 and 43,279.72

Step by Step Solution

1. Step 1: Write the proportion equation
   79,089.73 : 109,143.80 = 43,279.72 : x
2. Step 2: Convert to fraction form
   79,089.73/109,143.80 = 43,279.72/x
3. Step 3: Cross multiply
   79,089.73x = 109,143.80 × 43,279.72
4. Step 4: Simplify right side
   79,089.73x = 4,723,713,103.74
5. Step 5: Solve for x
   x = 4,723,713,103.74/79,089.73
6. Step 6: Final answer
   x = 59,726.00