Finding the Fourth Proportional to 1,784.22, 2,462.28 and 998.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,784.22 : 2,462.28 = 998.32 : x
2. Step 2: Convert to fraction form
   1,784.22/2,462.28 = 998.32/x
3. Step 3: Cross multiply
   1,784.22x = 2,462.28 × 998.32
4. Step 4: Simplify right side
   1,784.22x = 2,458,143.37
5. Step 5: Solve for x
   x = 2,458,143.37/1,784.22
6. Step 6: Final answer
   x = 1,377.71