Finding the Fourth Proportional to 11,715.62, 17,575.25 and 3,816.27

Step by Step Solution

1. Step 1: Write the proportion equation
   11,715.62 : 17,575.25 = 3,816.27 : x
2. Step 2: Convert to fraction form
   11,715.62/17,575.25 = 3,816.27/x
3. Step 3: Cross multiply
   11,715.62x = 17,575.25 × 3,816.27
4. Step 4: Simplify right side
   11,715.62x = 67,071,880.24
5. Step 5: Solve for x
   x = 67,071,880.24/11,715.62
6. Step 6: Final answer
   x = 5,725.00