Finding the Fourth Proportional to 1,784.42, 2,462.60 and 998.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,784.42 : 2,462.60 = 998.33 : x
2. Step 2: Convert to fraction form
   1,784.42/2,462.60 = 998.33/x
3. Step 3: Cross multiply
   1,784.42x = 2,462.60 × 998.33
4. Step 4: Simplify right side
   1,784.42x = 2,458,487.46
5. Step 5: Solve for x
   x = 2,458,487.46/1,784.42
6. Step 6: Final answer
   x = 1,377.75