Finding the Fourth Proportional to 11,517.42, 17,272.53 and 3,724.62

Step by Step Solution

1. Step 1: Write the proportion equation
   11,517.42 : 17,272.53 = 3,724.62 : x
2. Step 2: Convert to fraction form
   11,517.42/17,272.53 = 3,724.62/x
3. Step 3: Cross multiply
   11,517.42x = 17,272.53 × 3,724.62
4. Step 4: Simplify right side
   11,517.42x = 64,333,610.69
5. Step 5: Solve for x
   x = 64,333,610.69/11,517.42
6. Step 6: Final answer
   x = 5,585.77