Finding the Fourth Proportional to 12,535.19, 17,298.56 and 7,499.62

Step by Step Solution

1. Step 1: Write the proportion equation
   12,535.19 : 17,298.56 = 7,499.62 : x
2. Step 2: Convert to fraction form
   12,535.19/17,298.56 = 7,499.62/x
3. Step 3: Cross multiply
   12,535.19x = 17,298.56 × 7,499.62
4. Step 4: Simplify right side
   12,535.19x = 129,732,626.55
5. Step 5: Solve for x
   x = 129,732,626.55/12,535.19
6. Step 6: Final answer
   x = 10,349.47