Finding the Fourth Proportional to 8,428.52, 12,632.52 and 5,964.05

Step by Step Solution

1. Step 1: Write the proportion equation
   8,428.52 : 12,632.52 = 5,964.05 : x
2. Step 2: Convert to fraction form
   8,428.52/12,632.52 = 5,964.05/x
3. Step 3: Cross multiply
   8,428.52x = 12,632.52 × 5,964.05
4. Step 4: Simplify right side
   8,428.52x = 75,340,980.91
5. Step 5: Solve for x
   x = 75,340,980.91/8,428.52
6. Step 6: Final answer
   x = 8,938.81