Finding the Fourth Proportional to 10,083.92, 15,129.72 and 3,510.80

Step by Step Solution

1. Step 1: Write the proportion equation
   10,083.92 : 15,129.72 = 3,510.80 : x
2. Step 2: Convert to fraction form
   10,083.92/15,129.72 = 3,510.80/x
3. Step 3: Cross multiply
   10,083.92x = 15,129.72 × 3,510.80
4. Step 4: Simplify right side
   10,083.92x = 53,117,420.98
5. Step 5: Solve for x
   x = 53,117,420.98/10,083.92
6. Step 6: Final answer
   x = 5,267.54