Finding the Fourth Proportional to 9,570.06, 13,200.72 and 6,580.71

Step by Step Solution

1. Step 1: Write the proportion equation
   9,570.06 : 13,200.72 = 6,580.71 : x
2. Step 2: Convert to fraction form
   9,570.06/13,200.72 = 6,580.71/x
3. Step 3: Cross multiply
   9,570.06x = 13,200.72 × 6,580.71
4. Step 4: Simplify right side
   9,570.06x = 86,870,110.11
5. Step 5: Solve for x
   x = 86,870,110.11/9,570.06
6. Step 6: Final answer
   x = 9,077.28