Finding the Fourth Proportional to 12,486.00, 17,231.01 and 7,453.13

Step by Step Solution

1. Step 1: Write the proportion equation
   12,486.00 : 17,231.01 = 7,453.13 : x
2. Step 2: Convert to fraction form
   12,486.00/17,231.01 = 7,453.13/x
3. Step 3: Cross multiply
   12,486.00x = 17,231.01 × 7,453.13
4. Step 4: Simplify right side
   12,486.00x = 128,425,044.92
5. Step 5: Solve for x
   x = 128,425,044.92/12,486.00
6. Step 6: Final answer
   x = 10,285.53