Finding the Fourth Proportional to 2,334.72, 3,221.64 and 1,326.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,334.72 : 3,221.64 = 1,326.24 : x
2. Step 2: Convert to fraction form
   2,334.72/3,221.64 = 1,326.24/x
3. Step 3: Cross multiply
   2,334.72x = 3,221.64 × 1,326.24
4. Step 4: Simplify right side
   2,334.72x = 4,272,667.83
5. Step 5: Solve for x
   x = 4,272,667.83/2,334.72
6. Step 6: Final answer
   x = 1,830.06