Finding the Fourth Proportional to 12,002.13, 16,567.56 and 9,026.61

Step by Step Solution

1. Step 1: Write the proportion equation
   12,002.13 : 16,567.56 = 9,026.61 : x
2. Step 2: Convert to fraction form
   12,002.13/16,567.56 = 9,026.61/x
3. Step 3: Cross multiply
   12,002.13x = 16,567.56 × 9,026.61
4. Step 4: Simplify right side
   12,002.13x = 149,548,902.77
5. Step 5: Solve for x
   x = 149,548,902.77/12,002.13
6. Step 6: Final answer
   x = 12,460.20