Finding the Fourth Proportional to 3,915.34, 5,871.54 and 1,282.22

Step by Step Solution

1. Step 1: Write the proportion equation
   3,915.34 : 5,871.54 = 1,282.22 : x
2. Step 2: Convert to fraction form
   3,915.34/5,871.54 = 1,282.22/x
3. Step 3: Cross multiply
   3,915.34x = 5,871.54 × 1,282.22
4. Step 4: Simplify right side
   3,915.34x = 7,528,606.02
5. Step 5: Solve for x
   x = 7,528,606.02/3,915.34
6. Step 6: Final answer
   x = 1,922.85