Finding the Fourth Proportional to 12,535.20, 17,300.16 and 7,502.22

Step by Step Solution

1. Step 1: Write the proportion equation
   12,535.20 : 17,300.16 = 7,502.22 : x
2. Step 2: Convert to fraction form
   12,535.20/17,300.16 = 7,502.22/x
3. Step 3: Cross multiply
   12,535.20x = 17,300.16 × 7,502.22
4. Step 4: Simplify right side
   12,535.20x = 129,789,606.36
5. Step 5: Solve for x
   x = 129,789,606.36/12,535.20
6. Step 6: Final answer
   x = 10,354.01