Finding the Fourth Proportional to 1,746.83, 2,411.03 and 990.79

Step by Step Solution

1. Step 1: Write the proportion equation
   1,746.83 : 2,411.03 = 990.79 : x
2. Step 2: Convert to fraction form
   1,746.83/2,411.03 = 990.79/x
3. Step 3: Cross multiply
   1,746.83x = 2,411.03 × 990.79
4. Step 4: Simplify right side
   1,746.83x = 2,388,820.86
5. Step 5: Solve for x
   x = 2,388,820.86/1,746.83
6. Step 6: Final answer
   x = 1,367.52