Finding the Fourth Proportional to 11,510.10, 17,259.48 and 3,717.90

Step by Step Solution

1. Step 1: Write the proportion equation
   11,510.10 : 17,259.48 = 3,717.90 : x
2. Step 2: Convert to fraction form
   11,510.10/17,259.48 = 3,717.90/x
3. Step 3: Cross multiply
   11,510.10x = 17,259.48 × 3,717.90
4. Step 4: Simplify right side
   11,510.10x = 64,169,020.69
5. Step 5: Solve for x
   x = 64,169,020.69/11,510.10
6. Step 6: Final answer
   x = 5,575.02