Finding the Fourth Proportional to 16,200.96, 22,362.89 and 9,488.75

Step by Step Solution

1. Step 1: Write the proportion equation
   16,200.96 : 22,362.89 = 9,488.75 : x
2. Step 2: Convert to fraction form
   16,200.96/22,362.89 = 9,488.75/x
3. Step 3: Cross multiply
   16,200.96x = 22,362.89 × 9,488.75
4. Step 4: Simplify right side
   16,200.96x = 212,195,713.23
5. Step 5: Solve for x
   x = 212,195,713.23/16,200.96
6. Step 6: Final answer
   x = 13,097.72