Finding the Fourth Proportional to 2,215.32, 3,323.50 and 754.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,215.32 : 3,323.50 = 754.47 : x
2. Step 2: Convert to fraction form
   2,215.32/3,323.50 = 754.47/x
3. Step 3: Cross multiply
   2,215.32x = 3,323.50 × 754.47
4. Step 4: Simplify right side
   2,215.32x = 2,507,481.05
5. Step 5: Solve for x
   x = 2,507,481.05/2,215.32
6. Step 6: Final answer
   x = 1,131.88