Finding the Fourth Proportional to 10,952.64, 16,428.15 and 5,401.80

Step by Step Solution

1. Step 1: Write the proportion equation
   10,952.64 : 16,428.15 = 5,401.80 : x
2. Step 2: Convert to fraction form
   10,952.64/16,428.15 = 5,401.80/x
3. Step 3: Cross multiply
   10,952.64x = 16,428.15 × 5,401.80
4. Step 4: Simplify right side
   10,952.64x = 88,741,580.67
5. Step 5: Solve for x
   x = 88,741,580.67/10,952.64
6. Step 6: Final answer
   x = 8,102.30