Finding the Fourth Proportional to 9,217.49, 12,719.01 and 5,634.26

Step by Step Solution

1. Step 1: Write the proportion equation
   9,217.49 : 12,719.01 = 5,634.26 : x
2. Step 2: Convert to fraction form
   9,217.49/12,719.01 = 5,634.26/x
3. Step 3: Cross multiply
   9,217.49x = 12,719.01 × 5,634.26
4. Step 4: Simplify right side
   9,217.49x = 71,662,145.69
5. Step 5: Solve for x
   x = 71,662,145.69/9,217.49
6. Step 6: Final answer
   x = 7,774.58