Finding the Fourth Proportional to 16,151.70, 22,298.17 and 9,779.38

Step by Step Solution

1. Step 1: Write the proportion equation
   16,151.70 : 22,298.17 = 9,779.38 : x
2. Step 2: Convert to fraction form
   16,151.70/22,298.17 = 9,779.38/x
3. Step 3: Cross multiply
   16,151.70x = 22,298.17 × 9,779.38
4. Step 4: Simplify right side
   16,151.70x = 218,062,277.73
5. Step 5: Solve for x
   x = 218,062,277.73/16,151.70
6. Step 6: Final answer
   x = 13,500.89