Finding the Fourth Proportional to 11,837.59, 17,753.31 and 3,515.37

Step by Step Solution

1. Step 1: Write the proportion equation
   11,837.59 : 17,753.31 = 3,515.37 : x
2. Step 2: Convert to fraction form
   11,837.59/17,753.31 = 3,515.37/x
3. Step 3: Cross multiply
   11,837.59x = 17,753.31 × 3,515.37
4. Step 4: Simplify right side
   11,837.59x = 62,409,551.42
5. Step 5: Solve for x
   x = 62,409,551.42/11,837.59
6. Step 6: Final answer
   x = 5,272.15