Finding the Fourth Proportional to 16,749.30, 23,114.31 and 9,196.32

Step by Step Solution

1. Step 1: Write the proportion equation
   16,749.30 : 23,114.31 = 9,196.32 : x
2. Step 2: Convert to fraction form
   16,749.30/23,114.31 = 9,196.32/x
3. Step 3: Cross multiply
   16,749.30x = 23,114.31 × 9,196.32
4. Step 4: Simplify right side
   16,749.30x = 212,566,591.34
5. Step 5: Solve for x
   x = 212,566,591.34/16,749.30
6. Step 6: Final answer
   x = 12,691.07