Finding the Fourth Proportional to 2,268.76, 3,404.76 and 971.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,268.76 : 3,404.76 = 971.16 : x
2. Step 2: Convert to fraction form
   2,268.76/3,404.76 = 971.16/x
3. Step 3: Cross multiply
   2,268.76x = 3,404.76 × 971.16
4. Step 4: Simplify right side
   2,268.76x = 3,306,566.72
5. Step 5: Solve for x
   x = 3,306,566.72/2,268.76
6. Step 6: Final answer
   x = 1,457.43