Finding the Fourth Proportional to 16,749.40, 23,114.82 and 9,196.05

Step by Step Solution

1. Step 1: Write the proportion equation
   16,749.40 : 23,114.82 = 9,196.05 : x
2. Step 2: Convert to fraction form
   16,749.40/23,114.82 = 9,196.05/x
3. Step 3: Cross multiply
   16,749.40x = 23,114.82 × 9,196.05
4. Step 4: Simplify right side
   16,749.40x = 212,565,074.95
5. Step 5: Solve for x
   x = 212,565,074.95/16,749.40
6. Step 6: Final answer
   x = 12,690.91