Finding the Fourth Proportional to 12,626.63, 17,423.56 and 7,320.88

Step by Step Solution

1. Step 1: Write the proportion equation
   12,626.63 : 17,423.56 = 7,320.88 : x
2. Step 2: Convert to fraction form
   12,626.63/17,423.56 = 7,320.88/x
3. Step 3: Cross multiply
   12,626.63x = 17,423.56 × 7,320.88
4. Step 4: Simplify right side
   12,626.63x = 127,555,704.82
5. Step 5: Solve for x
   x = 127,555,704.82/12,626.63
6. Step 6: Final answer
   x = 10,102.12