Finding the Fourth Proportional to 12,626.56, 17,422.62 and 7,320.34

Step by Step Solution

1. Step 1: Write the proportion equation
   12,626.56 : 17,422.62 = 7,320.34 : x
2. Step 2: Convert to fraction form
   12,626.56/17,422.62 = 7,320.34/x
3. Step 3: Cross multiply
   12,626.56x = 17,422.62 × 7,320.34
4. Step 4: Simplify right side
   12,626.56x = 127,539,502.09
5. Step 5: Solve for x
   x = 127,539,502.09/12,626.56
6. Step 6: Final answer
   x = 10,100.89