Finding the Fourth Proportional to 16,791.45, 25,188.59 and 5,104.77

Step by Step Solution

1. Step 1: Write the proportion equation
   16,791.45 : 25,188.59 = 5,104.77 : x
2. Step 2: Convert to fraction form
   16,791.45/25,188.59 = 5,104.77/x
3. Step 3: Cross multiply
   16,791.45x = 25,188.59 × 5,104.77
4. Step 4: Simplify right side
   16,791.45x = 128,581,933.05
5. Step 5: Solve for x
   x = 128,581,933.05/16,791.45
6. Step 6: Final answer
   x = 7,657.58