Finding the Fourth Proportional to 2,557.69, 3,835.50 and 997.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,557.69 : 3,835.50 = 997.46 : x
2. Step 2: Convert to fraction form
   2,557.69/3,835.50 = 997.46/x
3. Step 3: Cross multiply
   2,557.69x = 3,835.50 × 997.46
4. Step 4: Simplify right side
   2,557.69x = 3,825,776.48
5. Step 5: Solve for x
   x = 3,825,776.48/2,557.69
6. Step 6: Final answer
   x = 1,495.79