Finding the Fourth Proportional to 16,889.38, 25,338.96 and 5,204.32

Step by Step Solution

1. Step 1: Write the proportion equation
   16,889.38 : 25,338.96 = 5,204.32 : x
2. Step 2: Convert to fraction form
   16,889.38/25,338.96 = 5,204.32/x
3. Step 3: Cross multiply
   16,889.38x = 25,338.96 × 5,204.32
4. Step 4: Simplify right side
   16,889.38x = 131,872,056.31
5. Step 5: Solve for x
   x = 131,872,056.31/16,889.38
6. Step 6: Final answer
   x = 7,807.99