Finding the Fourth Proportional to 1,441.74, 1,988.89 and 944.40

Step by Step Solution

1. Step 1: Write the proportion equation
   1,441.74 : 1,988.89 = 944.40 : x
2. Step 2: Convert to fraction form
   1,441.74/1,988.89 = 944.40/x
3. Step 3: Cross multiply
   1,441.74x = 1,988.89 × 944.40
4. Step 4: Simplify right side
   1,441.74x = 1,878,307.72
5. Step 5: Solve for x
   x = 1,878,307.72/1,441.74
6. Step 6: Final answer
   x = 1,302.81