Finding the Fourth Proportional to 9,180.45, 12,669.01 and 5,201.33

Step by Step Solution

1. Step 1: Write the proportion equation
   9,180.45 : 12,669.01 = 5,201.33 : x
2. Step 2: Convert to fraction form
   9,180.45/12,669.01 = 5,201.33/x
3. Step 3: Cross multiply
   9,180.45x = 12,669.01 × 5,201.33
4. Step 4: Simplify right side
   9,180.45x = 65,895,625.43
5. Step 5: Solve for x
   x = 65,895,625.43/9,180.45
6. Step 6: Final answer
   x = 7,177.82