Finding the Fourth Proportional to 1,783.83, 2,461.82 and 998.13

Step by Step Solution

1. Step 1: Write the proportion equation
   1,783.83 : 2,461.82 = 998.13 : x
2. Step 2: Convert to fraction form
   1,783.83/2,461.82 = 998.13/x
3. Step 3: Cross multiply
   1,783.83x = 2,461.82 × 998.13
4. Step 4: Simplify right side
   1,783.83x = 2,457,211.41
5. Step 5: Solve for x
   x = 2,457,211.41/1,783.83
6. Step 6: Final answer
   x = 1,377.49