Finding the Fourth Proportional to 11,837.48, 17,753.15 and 3,515.61

Step by Step Solution

1. Step 1: Write the proportion equation
   11,837.48 : 17,753.15 = 3,515.61 : x
2. Step 2: Convert to fraction form
   11,837.48/17,753.15 = 3,515.61/x
3. Step 3: Cross multiply
   11,837.48x = 17,753.15 × 3,515.61
4. Step 4: Simplify right side
   11,837.48x = 62,413,160.46
5. Step 5: Solve for x
   x = 62,413,160.46/11,837.48
6. Step 6: Final answer
   x = 5,272.50