Finding the Fourth Proportional to 3,666.72, 5,055.32 and 2,338.12

Step by Step Solution

1. Step 1: Write the proportion equation
   3,666.72 : 5,055.32 = 2,338.12 : x
2. Step 2: Convert to fraction form
   3,666.72/5,055.32 = 2,338.12/x
3. Step 3: Cross multiply
   3,666.72x = 5,055.32 × 2,338.12
4. Step 4: Simplify right side
   3,666.72x = 11,819,920.47
5. Step 5: Solve for x
   x = 11,819,920.47/3,666.72
6. Step 6: Final answer
   x = 3,223.57