Finding the Fourth Proportional to 12,736.43, 17,576.27 and 7,430.22

Step by Step Solution

1. Step 1: Write the proportion equation
   12,736.43 : 17,576.27 = 7,430.22 : x
2. Step 2: Convert to fraction form
   12,736.43/17,576.27 = 7,430.22/x
3. Step 3: Cross multiply
   12,736.43x = 17,576.27 × 7,430.22
4. Step 4: Simplify right side
   12,736.43x = 130,595,515.73
5. Step 5: Solve for x
   x = 130,595,515.73/12,736.43
6. Step 6: Final answer
   x = 10,253.70