Finding the Fourth Proportional to 16,703.42, 25,057.43 and 5,613.28

Step by Step Solution

1. Step 1: Write the proportion equation
   16,703.42 : 25,057.43 = 5,613.28 : x
2. Step 2: Convert to fraction form
   16,703.42/25,057.43 = 5,613.28/x
3. Step 3: Cross multiply
   16,703.42x = 25,057.43 × 5,613.28
4. Step 4: Simplify right side
   16,703.42x = 140,654,370.67
5. Step 5: Solve for x
   x = 140,654,370.67/16,703.42
6. Step 6: Final answer
   x = 8,420.69