Finding the Fourth Proportional to 12,668.18, 17,482.72 and 7,633.94

Step by Step Solution

1. Step 1: Write the proportion equation
   12,668.18 : 17,482.72 = 7,633.94 : x
2. Step 2: Convert to fraction form
   12,668.18/17,482.72 = 7,633.94/x
3. Step 3: Cross multiply
   12,668.18x = 17,482.72 × 7,633.94
4. Step 4: Simplify right side
   12,668.18x = 133,462,035.52
5. Step 5: Solve for x
   x = 133,462,035.52/12,668.18
6. Step 6: Final answer
   x = 10,535.22