Finding the Fourth Proportional to 1,440.99, 1,988.74 and 943.75

Step by Step Solution

1. Step 1: Write the proportion equation
   1,440.99 : 1,988.74 = 943.75 : x
2. Step 2: Convert to fraction form
   1,440.99/1,988.74 = 943.75/x
3. Step 3: Cross multiply
   1,440.99x = 1,988.74 × 943.75
4. Step 4: Simplify right side
   1,440.99x = 1,876,858.71
5. Step 5: Solve for x
   x = 1,876,858.71/1,440.99
6. Step 6: Final answer
   x = 1,302.48