Finding the Fourth Proportional to 12,040.00, 16,605.88 and 9,200.32

Step by Step Solution

1. Step 1: Write the proportion equation
   12,040.00 : 16,605.88 = 9,200.32 : x
2. Step 2: Convert to fraction form
   12,040.00/16,605.88 = 9,200.32/x
3. Step 3: Cross multiply
   12,040.00x = 16,605.88 × 9,200.32
4. Step 4: Simplify right side
   12,040.00x = 152,779,434.83
5. Step 5: Solve for x
   x = 152,779,434.83/12,040.00
6. Step 6: Final answer
   x = 12,689.32