Finding the Fourth Proportional to 7,686.72, 10,607.68 and 4,329.52

Step by Step Solution

1. Step 1: Write the proportion equation
   7,686.72 : 10,607.68 = 4,329.52 : x
2. Step 2: Convert to fraction form
   7,686.72/10,607.68 = 4,329.52/x
3. Step 3: Cross multiply
   7,686.72x = 10,607.68 × 4,329.52
4. Step 4: Simplify right side
   7,686.72x = 45,926,162.71
5. Step 5: Solve for x
   x = 45,926,162.71/7,686.72
6. Step 6: Final answer
   x = 5,974.74