Finding the Fourth Proportional to 1,743.91, 2,406.59 and 998.17

Step by Step Solution

1. Step 1: Write the proportion equation
   1,743.91 : 2,406.59 = 998.17 : x
2. Step 2: Convert to fraction form
   1,743.91/2,406.59 = 998.17/x
3. Step 3: Cross multiply
   1,743.91x = 2,406.59 × 998.17
4. Step 4: Simplify right side
   1,743.91x = 2,402,180.95
5. Step 5: Solve for x
   x = 2,402,180.95/1,743.91
6. Step 6: Final answer
   x = 1,377.47