Finding the Fourth Proportional to 9,679.59, 14,528.29 and 5,989.02

Step by Step Solution

1. Step 1: Write the proportion equation
   9,679.59 : 14,528.29 = 5,989.02 : x
2. Step 2: Convert to fraction form
   9,679.59/14,528.29 = 5,989.02/x
3. Step 3: Cross multiply
   9,679.59x = 14,528.29 × 5,989.02
4. Step 4: Simplify right side
   9,679.59x = 87,010,240.72
5. Step 5: Solve for x
   x = 87,010,240.72/9,679.59
6. Step 6: Final answer
   x = 8,989.05