Finding the Fourth Proportional to 12,320.01, 16,981.63 and 9,626.52

Step by Step Solution

1. Step 1: Write the proportion equation
   12,320.01 : 16,981.63 = 9,626.52 : x
2. Step 2: Convert to fraction form
   12,320.01/16,981.63 = 9,626.52/x
3. Step 3: Cross multiply
   12,320.01x = 16,981.63 × 9,626.52
4. Step 4: Simplify right side
   12,320.01x = 163,474,000.83
5. Step 5: Solve for x
   x = 163,474,000.83/12,320.01
6. Step 6: Final answer
   x = 13,268.98