Finding the Fourth Proportional to 1,454.82, 2,181.83 and 992.51

Step by Step Solution

1. Step 1: Write the proportion equation
   1,454.82 : 2,181.83 = 992.51 : x
2. Step 2: Convert to fraction form
   1,454.82/2,181.83 = 992.51/x
3. Step 3: Cross multiply
   1,454.82x = 2,181.83 × 992.51
4. Step 4: Simplify right side
   1,454.82x = 2,165,488.09
5. Step 5: Solve for x
   x = 2,165,488.09/1,454.82
6. Step 6: Final answer
   x = 1,488.49