Finding the Fourth Proportional to 2,531.71, 3,797.89 and 992.51

Step by Step Solution

1. Step 1: Write the proportion equation
   2,531.71 : 3,797.89 = 992.51 : x
2. Step 2: Convert to fraction form
   2,531.71/3,797.89 = 992.51/x
3. Step 3: Cross multiply
   2,531.71x = 3,797.89 × 992.51
4. Step 4: Simplify right side
   2,531.71x = 3,769,443.80
5. Step 5: Solve for x
   x = 3,769,443.80/2,531.71
6. Step 6: Final answer
   x = 1,488.89