Finding the Fourth Proportional to 16,788.88, 25,186.94 and 5,103.04

Step by Step Solution

1. Step 1: Write the proportion equation
   16,788.88 : 25,186.94 = 5,103.04 : x
2. Step 2: Convert to fraction form
   16,788.88/25,186.94 = 5,103.04/x
3. Step 3: Cross multiply
   16,788.88x = 25,186.94 × 5,103.04
4. Step 4: Simplify right side
   16,788.88x = 128,529,962.30
5. Step 5: Solve for x
   x = 128,529,962.30/16,788.88
6. Step 6: Final answer
   x = 7,655.66