Finding the Fourth Proportional to 7,689.96, 10,611.35 and 4,333.30

Step by Step Solution

1. Step 1: Write the proportion equation
   7,689.96 : 10,611.35 = 4,333.30 : x
2. Step 2: Convert to fraction form
   7,689.96/10,611.35 = 4,333.30/x
3. Step 3: Cross multiply
   7,689.96x = 10,611.35 × 4,333.30
4. Step 4: Simplify right side
   7,689.96x = 45,982,155.38
5. Step 5: Solve for x
   x = 45,982,155.38/7,689.96
6. Step 6: Final answer
   x = 5,979.50