Finding the Fourth Proportional to 10,361.28, 14,298.48 and 5,645.56

Step by Step Solution

1. Step 1: Write the proportion equation
   10,361.28 : 14,298.48 = 5,645.56 : x
2. Step 2: Convert to fraction form
   10,361.28/14,298.48 = 5,645.56/x
3. Step 3: Cross multiply
   10,361.28x = 14,298.48 × 5,645.56
4. Step 4: Simplify right side
   10,361.28x = 80,722,926.75
5. Step 5: Solve for x
   x = 80,722,926.75/10,361.28
6. Step 6: Final answer
   x = 7,790.83