Finding the Fourth Proportional to 79,151.83, 109,229.69 and 42,853.67

Step by Step Solution

1. Step 1: Write the proportion equation
   79,151.83 : 109,229.69 = 42,853.67 : x
2. Step 2: Convert to fraction form
   79,151.83/109,229.69 = 42,853.67/x
3. Step 3: Cross multiply
   79,151.83x = 109,229.69 × 42,853.67
4. Step 4: Simplify right side
   79,151.83x = 4,680,892,650.45
5. Step 5: Solve for x
   x = 4,680,892,650.45/79,151.83
6. Step 6: Final answer
   x = 59,138.15