Finding the Fourth Proportional to 1,784.54, 2,462.82 and 998.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,784.54 : 2,462.82 = 998.76 : x
2. Step 2: Convert to fraction form
   1,784.54/2,462.82 = 998.76/x
3. Step 3: Cross multiply
   1,784.54x = 2,462.82 × 998.76
4. Step 4: Simplify right side
   1,784.54x = 2,459,766.10
5. Step 5: Solve for x
   x = 2,459,766.10/1,784.54
6. Step 6: Final answer
   x = 1,378.38