Finding the Fourth Proportional to 16,902.83, 25,357.91 and 5,057.55

Step by Step Solution

1. Step 1: Write the proportion equation
   16,902.83 : 25,357.91 = 5,057.55 : x
2. Step 2: Convert to fraction form
   16,902.83/25,357.91 = 5,057.55/x
3. Step 3: Cross multiply
   16,902.83x = 25,357.91 × 5,057.55
4. Step 4: Simplify right side
   16,902.83x = 128,248,872.43
5. Step 5: Solve for x
   x = 128,248,872.43/16,902.83
6. Step 6: Final answer
   x = 7,587.42