Finding the Fourth Proportional to 10,337.28, 14,265.50 and 5,621.57

Step by Step Solution

1. Step 1: Write the proportion equation
   10,337.28 : 14,265.50 = 5,621.57 : x
2. Step 2: Convert to fraction form
   10,337.28/14,265.50 = 5,621.57/x
3. Step 3: Cross multiply
   10,337.28x = 14,265.50 × 5,621.57
4. Step 4: Simplify right side
   10,337.28x = 80,194,435.51
5. Step 5: Solve for x
   x = 80,194,435.51/10,337.28
6. Step 6: Final answer
   x = 7,757.79