Finding the Fourth Proportional to 17,779.91, 24,515.46 and 12,118.01

Step by Step Solution

1. Step 1: Write the proportion equation
   17,779.91 : 24,515.46 = 12,118.01 : x
2. Step 2: Convert to fraction form
   17,779.91/24,515.46 = 12,118.01/x
3. Step 3: Cross multiply
   17,779.91x = 24,515.46 × 12,118.01
4. Step 4: Simplify right side
   17,779.91x = 297,078,466.86
5. Step 5: Solve for x
   x = 297,078,466.86/17,779.91
6. Step 6: Final answer
   x = 16,708.66