Finding the Fourth Proportional to 7,685.72, 10,606.50 and 4,701.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,685.72 : 10,606.50 = 4,701.50 : x
2. Step 2: Convert to fraction form
   7,685.72/10,606.50 = 4,701.50/x
3. Step 3: Cross multiply
   7,685.72x = 10,606.50 × 4,701.50
4. Step 4: Simplify right side
   7,685.72x = 49,866,406.72
5. Step 5: Solve for x
   x = 49,866,406.72/7,685.72
6. Step 6: Final answer
   x = 6,488.19