Finding the Fourth Proportional to 1,784.49, 2,462.58 and 998.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,784.49 : 2,462.58 = 998.55 : x
2. Step 2: Convert to fraction form
   1,784.49/2,462.58 = 998.55/x
3. Step 3: Cross multiply
   1,784.49x = 2,462.58 × 998.55
4. Step 4: Simplify right side
   1,784.49x = 2,459,009.26
5. Step 5: Solve for x
   x = 2,459,009.26/1,784.49
6. Step 6: Final answer
   x = 1,377.99