Finding the Fourth Proportional to 10,084.48, 15,129.20 and 3,510.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,084.48 : 15,129.20 = 3,510.72 : x
2. Step 2: Convert to fraction form
   10,084.48/15,129.20 = 3,510.72/x
3. Step 3: Cross multiply
   10,084.48x = 15,129.20 × 3,510.72
4. Step 4: Simplify right side
   10,084.48x = 53,114,367.47
5. Step 5: Solve for x
   x = 53,114,367.47/10,084.48
6. Step 6: Final answer
   x = 5,266.94