Finding the Fourth Proportional to 119,701.38, 165,255.39 and 79,470.15

Step by Step Solution

1. Step 1: Write the proportion equation
   119,701.38 : 165,255.39 = 79,470.15 : x
2. Step 2: Convert to fraction form
   119,701.38/165,255.39 = 79,470.15/x
3. Step 3: Cross multiply
   119,701.38x = 165,255.39 × 79,470.15
4. Step 4: Simplify right side
   119,701.38x = 13,132,870,631.61
5. Step 5: Solve for x
   x = 13,132,870,631.61/119,701.38
6. Step 6: Final answer
   x = 109,713.61