Finding the Fourth Proportional to 12,824.02, 17,686.00 and 9,040.51

Step by Step Solution

1. Step 1: Write the proportion equation
   12,824.02 : 17,686.00 = 9,040.51 : x
2. Step 2: Convert to fraction form
   12,824.02/17,686.00 = 9,040.51/x
3. Step 3: Cross multiply
   12,824.02x = 17,686.00 × 9,040.51
4. Step 4: Simplify right side
   12,824.02x = 159,890,442.42
5. Step 5: Solve for x
   x = 159,890,442.42/12,824.02
6. Step 6: Final answer
   x = 12,468.04