Finding the Fourth Proportional to 1,784.52, 2,462.28 and 998.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,784.52 : 2,462.28 = 998.42 : x
2. Step 2: Convert to fraction form
   1,784.52/2,462.28 = 998.42/x
3. Step 3: Cross multiply
   1,784.52x = 2,462.28 × 998.42
4. Step 4: Simplify right side
   1,784.52x = 2,458,377.29
5. Step 5: Solve for x
   x = 2,458,377.29/1,784.52
6. Step 6: Final answer
   x = 1,377.61