Finding the Fourth Proportional to 2,559.83, 3,836.70 and 997.97

Step by Step Solution

1. Step 1: Write the proportion equation
   2,559.83 : 3,836.70 = 997.97 : x
2. Step 2: Convert to fraction form
   2,559.83/3,836.70 = 997.97/x
3. Step 3: Cross multiply
   2,559.83x = 3,836.70 × 997.97
4. Step 4: Simplify right side
   2,559.83x = 3,828,892.32
5. Step 5: Solve for x
   x = 3,828,892.32/2,559.83
6. Step 6: Final answer
   x = 1,495.76