Finding the Fourth Proportional to 1,440.07, 1,984.71 and 1,046.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,440.07 : 1,984.71 = 1,046.41 : x
2. Step 2: Convert to fraction form
   1,440.07/1,984.71 = 1,046.41/x
3. Step 3: Cross multiply
   1,440.07x = 1,984.71 × 1,046.41
4. Step 4: Simplify right side
   1,440.07x = 2,076,820.39
5. Step 5: Solve for x
   x = 2,076,820.39/1,440.07
6. Step 6: Final answer
   x = 1,442.17