Finding the Fourth Proportional to 16,837.98, 25,256.94 and 5,151.21

Step by Step Solution

1. Step 1: Write the proportion equation
   16,837.98 : 25,256.94 = 5,151.21 : x
2. Step 2: Convert to fraction form
   16,837.98/25,256.94 = 5,151.21/x
3. Step 3: Cross multiply
   16,837.98x = 25,256.94 × 5,151.21
4. Step 4: Simplify right side
   16,837.98x = 130,103,801.90
5. Step 5: Solve for x
   x = 130,103,801.90/16,837.98
6. Step 6: Final answer
   x = 7,726.81