Finding the Fourth Proportional to 1,784.03, 2,461.98 and 998.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,784.03 : 2,461.98 = 998.12 : x
2. Step 2: Convert to fraction form
   1,784.03/2,461.98 = 998.12/x
3. Step 3: Cross multiply
   1,784.03x = 2,461.98 × 998.12
4. Step 4: Simplify right side
   1,784.03x = 2,457,351.48
5. Step 5: Solve for x
   x = 2,457,351.48/1,784.03
6. Step 6: Final answer
   x = 1,377.42