Finding the Fourth Proportional to 9,962.81, 14,826.60 and 9,630.61

Step by Step Solution

1. Step 1: Write the proportion equation
   9,962.81 : 14,826.60 = 9,630.61 : x
2. Step 2: Convert to fraction form
   9,962.81/14,826.60 = 9,630.61/x
3. Step 3: Cross multiply
   9,962.81x = 14,826.60 × 9,630.61
4. Step 4: Simplify right side
   9,962.81x = 142,789,165.16
5. Step 5: Solve for x
   x = 142,789,165.16/9,962.81
6. Step 6: Final answer
   x = 14,332.22