Finding the Fourth Proportional to 10,763.43, 16,142.03 and 4,188.15

Step by Step Solution

1. Step 1: Write the proportion equation
   10,763.43 : 16,142.03 = 4,188.15 : x
2. Step 2: Convert to fraction form
   10,763.43/16,142.03 = 4,188.15/x
3. Step 3: Cross multiply
   10,763.43x = 16,142.03 × 4,188.15
4. Step 4: Simplify right side
   10,763.43x = 67,605,222.00
5. Step 5: Solve for x
   x = 67,605,222.00/10,763.43
6. Step 6: Final answer
   x = 6,281.01