Finding the Fourth Proportional to 10,448.59, 14,419.28 and 5,732.87

Step by Step Solution

1. Step 1: Write the proportion equation
   10,448.59 : 14,419.28 = 5,732.87 : x
2. Step 2: Convert to fraction form
   10,448.59/14,419.28 = 5,732.87/x
3. Step 3: Cross multiply
   10,448.59x = 14,419.28 × 5,732.87
4. Step 4: Simplify right side
   10,448.59x = 82,663,756.97
5. Step 5: Solve for x
   x = 82,663,756.97/10,448.59
6. Step 6: Final answer
   x = 7,911.48