Finding the Fourth Proportional to 9,836.70, 14,650.71 and 9,789.03

Step by Step Solution

1. Step 1: Write the proportion equation
   9,836.70 : 14,650.71 = 9,789.03 : x
2. Step 2: Convert to fraction form
   9,836.70/14,650.71 = 9,789.03/x
3. Step 3: Cross multiply
   9,836.70x = 14,650.71 × 9,789.03
4. Step 4: Simplify right side
   9,836.70x = 143,416,178.61
5. Step 5: Solve for x
   x = 143,416,178.61/9,836.70
6. Step 6: Final answer
   x = 14,579.71