Finding the Fourth Proportional to 10,570.56, 14,587.20 and 5,854.80

Step by Step Solution

1. Step 1: Write the proportion equation
   10,570.56 : 14,587.20 = 5,854.80 : x
2. Step 2: Convert to fraction form
   10,570.56/14,587.20 = 5,854.80/x
3. Step 3: Cross multiply
   10,570.56x = 14,587.20 × 5,854.80
4. Step 4: Simplify right side
   10,570.56x = 85,405,138.56
5. Step 5: Solve for x
   x = 85,405,138.56/10,570.56
6. Step 6: Final answer
   x = 8,079.53