Finding the Fourth Proportional to 10,448.56, 14,419.38 and 5,732.88

Step by Step Solution

1. Step 1: Write the proportion equation
   10,448.56 : 14,419.38 = 5,732.88 : x
2. Step 2: Convert to fraction form
   10,448.56/14,419.38 = 5,732.88/x
3. Step 3: Cross multiply
   10,448.56x = 14,419.38 × 5,732.88
4. Step 4: Simplify right side
   10,448.56x = 82,664,575.21
5. Step 5: Solve for x
   x = 82,664,575.21/10,448.56
6. Step 6: Final answer
   x = 7,911.58