Finding the Fourth Proportional to 1,440.48, 1,988.04 and 943.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,440.48 : 1,988.04 = 943.25 : x
2. Step 2: Convert to fraction form
   1,440.48/1,988.04 = 943.25/x
3. Step 3: Cross multiply
   1,440.48x = 1,988.04 × 943.25
4. Step 4: Simplify right side
   1,440.48x = 1,875,212.33
5. Step 5: Solve for x
   x = 1,875,212.33/1,440.48
6. Step 6: Final answer
   x = 1,301.79