Finding the Fourth Proportional to 7,685.69, 10,606.30 and 4,328.18

Step by Step Solution

1. Step 1: Write the proportion equation
   7,685.69 : 10,606.30 = 4,328.18 : x
2. Step 2: Convert to fraction form
   7,685.69/10,606.30 = 4,328.18/x
3. Step 3: Cross multiply
   7,685.69x = 10,606.30 × 4,328.18
4. Step 4: Simplify right side
   7,685.69x = 45,906,041.55
5. Step 5: Solve for x
   x = 45,906,041.55/7,685.69
6. Step 6: Final answer
   x = 5,972.93