Finding the Fourth Proportional to 10,864.10, 14,993.43 and 6,385.61

Step by Step Solution

1. Step 1: Write the proportion equation
   10,864.10 : 14,993.43 = 6,385.61 : x
2. Step 2: Convert to fraction form
   10,864.10/14,993.43 = 6,385.61/x
3. Step 3: Cross multiply
   10,864.10x = 14,993.43 × 6,385.61
4. Step 4: Simplify right side
   10,864.10x = 95,742,196.54
5. Step 5: Solve for x
   x = 95,742,196.54/10,864.10
6. Step 6: Final answer
   x = 8,812.71