Finding the Fourth Proportional to 79,152.33, 109,230.39 and 42,854.16

Step by Step Solution

1. Step 1: Write the proportion equation
   79,152.33 : 109,230.39 = 42,854.16 : x
2. Step 2: Convert to fraction form
   79,152.33/109,230.39 = 42,854.16/x
3. Step 3: Cross multiply
   79,152.33x = 109,230.39 × 42,854.16
4. Step 4: Simplify right side
   79,152.33x = 4,680,976,609.92
5. Step 5: Solve for x
   x = 4,680,976,609.92/79,152.33
6. Step 6: Final answer
   x = 59,138.84