Finding the Fourth Proportional to 16,876.98, 25,316.18 and 5,791.30

Step by Step Solution

1. Step 1: Write the proportion equation
   16,876.98 : 25,316.18 = 5,791.30 : x
2. Step 2: Convert to fraction form
   16,876.98/25,316.18 = 5,791.30/x
3. Step 3: Cross multiply
   16,876.98x = 25,316.18 × 5,791.30
4. Step 4: Simplify right side
   16,876.98x = 146,613,593.23
5. Step 5: Solve for x
   x = 146,613,593.23/16,876.98
6. Step 6: Final answer
   x = 8,687.19