Finding the Fourth Proportional to 2,291.89, 3,435.17 and 975.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,291.89 : 3,435.17 = 975.23 : x
2. Step 2: Convert to fraction form
   2,291.89/3,435.17 = 975.23/x
3. Step 3: Cross multiply
   2,291.89x = 3,435.17 × 975.23
4. Step 4: Simplify right side
   2,291.89x = 3,350,074.69
5. Step 5: Solve for x
   x = 3,350,074.69/2,291.89
6. Step 6: Final answer
   x = 1,461.71