Finding the Fourth Proportional to 7,689.69, 10,611.77 and 4,152.91

Step by Step Solution

1. Step 1: Write the proportion equation
   7,689.69 : 10,611.77 = 4,152.91 : x
2. Step 2: Convert to fraction form
   7,689.69/10,611.77 = 4,152.91/x
3. Step 3: Cross multiply
   7,689.69x = 10,611.77 × 4,152.91
4. Step 4: Simplify right side
   7,689.69x = 44,069,688.27
5. Step 5: Solve for x
   x = 44,069,688.27/7,689.69
6. Step 6: Final answer
   x = 5,731.01