Finding the Fourth Proportional to 10,570.27, 14,587.28 and 5,854.55

Step by Step Solution

1. Step 1: Write the proportion equation
   10,570.27 : 14,587.28 = 5,854.55 : x
2. Step 2: Convert to fraction form
   10,570.27/14,587.28 = 5,854.55/x
3. Step 3: Cross multiply
   10,570.27x = 14,587.28 × 5,854.55
4. Step 4: Simplify right side
   10,570.27x = 85,401,960.12
5. Step 5: Solve for x
   x = 85,401,960.12/10,570.27
6. Step 6: Final answer
   x = 8,079.45