Finding the Fourth Proportional to 9,417.62, 12,995.20 and 5,588.65

Step by Step Solution

1. Step 1: Write the proportion equation
   9,417.62 : 12,995.20 = 5,588.65 : x
2. Step 2: Convert to fraction form
   9,417.62/12,995.20 = 5,588.65/x
3. Step 3: Cross multiply
   9,417.62x = 12,995.20 × 5,588.65
4. Step 4: Simplify right side
   9,417.62x = 72,625,624.48
5. Step 5: Solve for x
   x = 72,625,624.48/9,417.62
6. Step 6: Final answer
   x = 7,711.67