Finding the Fourth Proportional to 1,784.27, 2,462.01 and 998.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,784.27 : 2,462.01 = 998.30 : x
2. Step 2: Convert to fraction form
   1,784.27/2,462.01 = 998.30/x
3. Step 3: Cross multiply
   1,784.27x = 2,462.01 × 998.30
4. Step 4: Simplify right side
   1,784.27x = 2,457,824.58
5. Step 5: Solve for x
   x = 2,457,824.58/1,784.27
6. Step 6: Final answer
   x = 1,377.50