Finding the Fourth Proportional to 10,570.50, 14,589.72 and 6,381.18

Step by Step Solution

1. Step 1: Write the proportion equation
   10,570.50 : 14,589.72 = 6,381.18 : x
2. Step 2: Convert to fraction form
   10,570.50/14,589.72 = 6,381.18/x
3. Step 3: Cross multiply
   10,570.50x = 14,589.72 × 6,381.18
4. Step 4: Simplify right side
   10,570.50x = 93,099,629.47
5. Step 5: Solve for x
   x = 93,099,629.47/10,570.50
6. Step 6: Final answer
   x = 8,807.50