Finding the Fourth Proportional to 16,766.59, 25,153.77 and 4,919.88

Step by Step Solution

1. Step 1: Write the proportion equation
   16,766.59 : 25,153.77 = 4,919.88 : x
2. Step 2: Convert to fraction form
   16,766.59/25,153.77 = 4,919.88/x
3. Step 3: Cross multiply
   16,766.59x = 25,153.77 × 4,919.88
4. Step 4: Simplify right side
   16,766.59x = 123,753,505.35
5. Step 5: Solve for x
   x = 123,753,505.35/16,766.59
6. Step 6: Final answer
   x = 7,380.96