Finding the Fourth Proportional to 12,535.32, 17,298.74 and 7,499.74

Step by Step Solution

1. Step 1: Write the proportion equation
   12,535.32 : 17,298.74 = 7,499.74 : x
2. Step 2: Convert to fraction form
   12,535.32/17,298.74 = 7,499.74/x
3. Step 3: Cross multiply
   12,535.32x = 17,298.74 × 7,499.74
4. Step 4: Simplify right side
   12,535.32x = 129,736,052.33
5. Step 5: Solve for x
   x = 129,736,052.33/12,535.32
6. Step 6: Final answer
   x = 10,349.64