Finding the Fourth Proportional to 10,570.56, 14,587.76 and 5,855.28

Step by Step Solution

1. Step 1: Write the proportion equation
   10,570.56 : 14,587.76 = 5,855.28 : x
2. Step 2: Convert to fraction form
   10,570.56/14,587.76 = 5,855.28/x
3. Step 3: Cross multiply
   10,570.56x = 14,587.76 × 5,855.28
4. Step 4: Simplify right side
   10,570.56x = 85,415,419.37
5. Step 5: Solve for x
   x = 85,415,419.37/10,570.56
6. Step 6: Final answer
   x = 8,080.50