Finding the Fourth Proportional to 79,151.84, 109,229.72 and 42,853.68

Step by Step Solution

1. Step 1: Write the proportion equation
   79,151.84 : 109,229.72 = 42,853.68 : x
2. Step 2: Convert to fraction form
   79,151.84/109,229.72 = 42,853.68/x
3. Step 3: Cross multiply
   79,151.84x = 109,229.72 × 42,853.68
4. Step 4: Simplify right side
   79,151.84x = 4,680,895,467.37
5. Step 5: Solve for x
   x = 4,680,895,467.37/79,151.84
6. Step 6: Final answer
   x = 59,138.18