Finding the Fourth Proportional to 239,620.15, 359,368.69 and 71,100.62

Step by Step Solution

1. Step 1: Write the proportion equation
   239,620.15 : 359,368.69 = 71,100.62 : x
2. Step 2: Convert to fraction form
   239,620.15/359,368.69 = 71,100.62/x
3. Step 3: Cross multiply
   239,620.15x = 359,368.69 × 71,100.62
4. Step 4: Simplify right side
   239,620.15x = 25,551,336,667.59
5. Step 5: Solve for x
   x = 25,551,336,667.59/239,620.15
6. Step 6: Final answer
   x = 106,632.67