Finding the Fourth Proportional to 1,438.56, 1,982.27 and 1,332.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,438.56 : 1,982.27 = 1,332.25 : x
2. Step 2: Convert to fraction form
   1,438.56/1,982.27 = 1,332.25/x
3. Step 3: Cross multiply
   1,438.56x = 1,982.27 × 1,332.25
4. Step 4: Simplify right side
   1,438.56x = 2,640,877.58
5. Step 5: Solve for x
   x = 2,640,877.58/1,438.56
6. Step 6: Final answer
   x = 1,835.78