Finding the Fourth Proportional to 10,586.55, 15,868.69 and 3,564.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,586.55 : 15,868.69 = 3,564.12 : x
2. Step 2: Convert to fraction form
   10,586.55/15,868.69 = 3,564.12/x
3. Step 3: Cross multiply
   10,586.55x = 15,868.69 × 3,564.12
4. Step 4: Simplify right side
   10,586.55x = 56,557,915.40
5. Step 5: Solve for x
   x = 56,557,915.40/10,586.55
6. Step 6: Final answer
   x = 5,342.43