Finding the Fourth Proportional to 8,701.42, 12,007.86 and 4,722.52

Step by Step Solution

1. Step 1: Write the proportion equation
   8,701.42 : 12,007.86 = 4,722.52 : x
2. Step 2: Convert to fraction form
   8,701.42/12,007.86 = 4,722.52/x
3. Step 3: Cross multiply
   8,701.42x = 12,007.86 × 4,722.52
4. Step 4: Simplify right side
   8,701.42x = 56,707,359.01
5. Step 5: Solve for x
   x = 56,707,359.01/8,701.42
6. Step 6: Final answer
   x = 6,517.02