Finding the Fourth Proportional to 79,151.88, 109,229.76 and 42,853.70

Step by Step Solution

1. Step 1: Write the proportion equation
   79,151.88 : 109,229.76 = 42,853.70 : x
2. Step 2: Convert to fraction form
   79,151.88/109,229.76 = 42,853.70/x
3. Step 3: Cross multiply
   79,151.88x = 109,229.76 × 42,853.70
4. Step 4: Simplify right side
   79,151.88x = 4,680,898,819.96
5. Step 5: Solve for x
   x = 4,680,898,819.96/79,151.88
6. Step 6: Final answer
   x = 59,138.19