Finding the Fourth Proportional to 1,744.86, 2,407.52 and 998.63

Step by Step Solution

1. Step 1: Write the proportion equation
   1,744.86 : 2,407.52 = 998.63 : x
2. Step 2: Convert to fraction form
   1,744.86/2,407.52 = 998.63/x
3. Step 3: Cross multiply
   1,744.86x = 2,407.52 × 998.63
4. Step 4: Simplify right side
   1,744.86x = 2,404,204.67
5. Step 5: Solve for x
   x = 2,404,204.67/1,744.86
6. Step 6: Final answer
   x = 1,377.88