Finding the Fourth Proportional to 9,180.02, 12,668.40 and 5,201.89

Step by Step Solution

1. Step 1: Write the proportion equation
   9,180.02 : 12,668.40 = 5,201.89 : x
2. Step 2: Convert to fraction form
   9,180.02/12,668.40 = 5,201.89/x
3. Step 3: Cross multiply
   9,180.02x = 12,668.40 × 5,201.89
4. Step 4: Simplify right side
   9,180.02x = 65,899,662.86
5. Step 5: Solve for x
   x = 65,899,662.86/9,180.02
6. Step 6: Final answer
   x = 7,178.59