Finding the Fourth Proportional to 3,764.52, 5,645.34 and 2,223.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,764.52 : 5,645.34 = 2,223.72 : x
2. Step 2: Convert to fraction form
   3,764.52/5,645.34 = 2,223.72/x
3. Step 3: Cross multiply
   3,764.52x = 5,645.34 × 2,223.72
4. Step 4: Simplify right side
   3,764.52x = 12,553,655.46
5. Step 5: Solve for x
   x = 12,553,655.46/3,764.52
6. Step 6: Final answer
   x = 3,334.73