Finding the Fourth Proportional to 9,179.02, 12,668.20 and 5,201.42

Step by Step Solution

1. Step 1: Write the proportion equation
   9,179.02 : 12,668.20 = 5,201.42 : x
2. Step 2: Convert to fraction form
   9,179.02/12,668.20 = 5,201.42/x
3. Step 3: Cross multiply
   9,179.02x = 12,668.20 × 5,201.42
4. Step 4: Simplify right side
   9,179.02x = 65,892,552.50
5. Step 5: Solve for x
   x = 65,892,552.50/9,179.02
6. Step 6: Final answer
   x = 7,178.60