Finding the Fourth Proportional to 10,807.38, 16,199.34 and 5,535.16

Step by Step Solution

1. Step 1: Write the proportion equation
   10,807.38 : 16,199.34 = 5,535.16 : x
2. Step 2: Convert to fraction form
   10,807.38/16,199.34 = 5,535.16/x
3. Step 3: Cross multiply
   10,807.38x = 16,199.34 × 5,535.16
4. Step 4: Simplify right side
   10,807.38x = 89,665,938.79
5. Step 5: Solve for x
   x = 89,665,938.79/10,807.38
6. Step 6: Final answer
   x = 8,296.73