Finding the Fourth Proportional to 12,487.02, 17,233.59 and 8,009.13

Step by Step Solution

1. Step 1: Write the proportion equation
   12,487.02 : 17,233.59 = 8,009.13 : x
2. Step 2: Convert to fraction form
   12,487.02/17,233.59 = 8,009.13/x
3. Step 3: Cross multiply
   12,487.02x = 17,233.59 × 8,009.13
4. Step 4: Simplify right side
   12,487.02x = 138,026,062.68
5. Step 5: Solve for x
   x = 138,026,062.68/12,487.02
6. Step 6: Final answer
   x = 11,053.56