Finding the Fourth Proportional to 2,458.77, 3,688.43 and 997.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,458.77 : 3,688.43 = 997.94 : x
2. Step 2: Convert to fraction form
   2,458.77/3,688.43 = 997.94/x
3. Step 3: Cross multiply
   2,458.77x = 3,688.43 × 997.94
4. Step 4: Simplify right side
   2,458.77x = 3,680,808.40
5. Step 5: Solve for x
   x = 3,680,808.40/2,458.77
6. Step 6: Final answer
   x = 1,497.01