Finding the Fourth Proportional to 1,784.05, 2,461.96 and 998.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,784.05 : 2,461.96 = 998.09 : x
2. Step 2: Convert to fraction form
   1,784.05/2,461.96 = 998.09/x
3. Step 3: Cross multiply
   1,784.05x = 2,461.96 × 998.09
4. Step 4: Simplify right side
   1,784.05x = 2,457,257.66
5. Step 5: Solve for x
   x = 2,457,257.66/1,784.05
6. Step 6: Final answer
   x = 1,377.35