Finding the Fourth Proportional to 2,433.77, 3,648.86 and 971.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,433.77 : 3,648.86 = 971.81 : x
2. Step 2: Convert to fraction form
   2,433.77/3,648.86 = 971.81/x
3. Step 3: Cross multiply
   2,433.77x = 3,648.86 × 971.81
4. Step 4: Simplify right side
   2,433.77x = 3,545,993.78
5. Step 5: Solve for x
   x = 3,545,993.78/2,433.77
6. Step 6: Final answer
   x = 1,457.00