Finding the Fourth Proportional to 310,104.72, 465,147.36 and 88,488.72

Step by Step Solution

1. Step 1: Write the proportion equation
   310,104.72 : 465,147.36 = 88,488.72 : x
2. Step 2: Convert to fraction form
   310,104.72/465,147.36 = 88,488.72/x
3. Step 3: Cross multiply
   310,104.72x = 465,147.36 × 88,488.72
4. Step 4: Simplify right side
   310,104.72x = 41,160,294,497.78
5. Step 5: Solve for x
   x = 41,160,294,497.78/310,104.72
6. Step 6: Final answer
   x = 132,730.31