Finding the Fourth Proportional to 1,661.84, 2,294.89 and 1,041.92

Step by Step Solution

1. Step 1: Write the proportion equation
   1,661.84 : 2,294.89 = 1,041.92 : x
2. Step 2: Convert to fraction form
   1,661.84/2,294.89 = 1,041.92/x
3. Step 3: Cross multiply
   1,661.84x = 2,294.89 × 1,041.92
4. Step 4: Simplify right side
   1,661.84x = 2,391,080.31
5. Step 5: Solve for x
   x = 2,391,080.31/1,661.84
6. Step 6: Final answer
   x = 1,438.82