Finding the Fourth Proportional to 16,779.59, 25,165.49 and 7,414.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,779.59 : 25,165.49 = 7,414.50 : x
2. Step 2: Convert to fraction form
   16,779.59/25,165.49 = 7,414.50/x
3. Step 3: Cross multiply
   16,779.59x = 25,165.49 × 7,414.50
4. Step 4: Simplify right side
   16,779.59x = 186,589,488.53
5. Step 5: Solve for x
   x = 186,589,488.53/16,779.59
6. Step 6: Final answer
   x = 11,120.03