Finding the Fourth Proportional to 6,961.31, 10,443.67 and 2,281.57

Step by Step Solution

1. Step 1: Write the proportion equation
   6,961.31 : 10,443.67 = 2,281.57 : x
2. Step 2: Convert to fraction form
   6,961.31/10,443.67 = 2,281.57/x
3. Step 3: Cross multiply
   6,961.31x = 10,443.67 × 2,281.57
4. Step 4: Simplify right side
   6,961.31x = 23,827,964.16
5. Step 5: Solve for x
   x = 23,827,964.16/6,961.31
6. Step 6: Final answer
   x = 3,422.91