Finding the Fourth Proportional to 79,229.29, 109,335.54 and 42,930.04

Step by Step Solution

1. Step 1: Write the proportion equation
   79,229.29 : 109,335.54 = 42,930.04 : x
2. Step 2: Convert to fraction form
   79,229.29/109,335.54 = 42,930.04/x
3. Step 3: Cross multiply
   79,229.29x = 109,335.54 × 42,930.04
4. Step 4: Simplify right side
   79,229.29x = 4,693,779,105.62
5. Step 5: Solve for x
   x = 4,693,779,105.62/79,229.29
6. Step 6: Final answer
   x = 59,242.98