Finding the Fourth Proportional to 6,570.32, 9,064.84 and 4,086.16

Step by Step Solution

1. Step 1: Write the proportion equation
   6,570.32 : 9,064.84 = 4,086.16 : x
2. Step 2: Convert to fraction form
   6,570.32/9,064.84 = 4,086.16/x
3. Step 3: Cross multiply
   6,570.32x = 9,064.84 × 4,086.16
4. Step 4: Simplify right side
   6,570.32x = 37,040,386.61
5. Step 5: Solve for x
   x = 37,040,386.61/6,570.32
6. Step 6: Final answer
   x = 5,637.53