Finding the Fourth Proportional to 6,364.42, 8,784.57 and 3,570.82

Step by Step Solution

1. Step 1: Write the proportion equation
   6,364.42 : 8,784.57 = 3,570.82 : x
2. Step 2: Convert to fraction form
   6,364.42/8,784.57 = 3,570.82/x
3. Step 3: Cross multiply
   6,364.42x = 8,784.57 × 3,570.82
4. Step 4: Simplify right side
   6,364.42x = 31,368,118.25
5. Step 5: Solve for x
   x = 31,368,118.25/6,364.42
6. Step 6: Final answer
   x = 4,928.67