Finding the Fourth Proportional to 1,045.43, 1,561.18 and 984.68

Step by Step Solution

1. Step 1: Write the proportion equation
   1,045.43 : 1,561.18 = 984.68 : x
2. Step 2: Convert to fraction form
   1,045.43/1,561.18 = 984.68/x
3. Step 3: Cross multiply
   1,045.43x = 1,561.18 × 984.68
4. Step 4: Simplify right side
   1,045.43x = 1,537,262.72
5. Step 5: Solve for x
   x = 1,537,262.72/1,045.43
6. Step 6: Final answer
   x = 1,470.46