Finding the Fourth Proportional to 6,570.45, 9,056.61 and 5,717.52

Step by Step Solution

1. Step 1: Write the proportion equation
   6,570.45 : 9,056.61 = 5,717.52 : x
2. Step 2: Convert to fraction form
   6,570.45/9,056.61 = 5,717.52/x
3. Step 3: Cross multiply
   6,570.45x = 9,056.61 × 5,717.52
4. Step 4: Simplify right side
   6,570.45x = 51,781,348.81
5. Step 5: Solve for x
   x = 51,781,348.81/6,570.45
6. Step 6: Final answer
   x = 7,880.94