Finding the Fourth Proportional to 9,174.01, 12,662.40 and 5,197.47

Step by Step Solution

1. Step 1: Write the proportion equation
   9,174.01 : 12,662.40 = 5,197.47 : x
2. Step 2: Convert to fraction form
   9,174.01/12,662.40 = 5,197.47/x
3. Step 3: Cross multiply
   9,174.01x = 12,662.40 × 5,197.47
4. Step 4: Simplify right side
   9,174.01x = 65,812,380.82
5. Step 5: Solve for x
   x = 65,812,380.82/9,174.01
6. Step 6: Final answer
   x = 7,173.79