Finding the Fourth Proportional to 10,511.71, 14,505.97 and 5,731.69

Step by Step Solution

1. Step 1: Write the proportion equation
   10,511.71 : 14,505.97 = 5,731.69 : x
2. Step 2: Convert to fraction form
   10,511.71/14,505.97 = 5,731.69/x
3. Step 3: Cross multiply
   10,511.71x = 14,505.97 × 5,731.69
4. Step 4: Simplify right side
   10,511.71x = 83,143,683.34
5. Step 5: Solve for x
   x = 83,143,683.34/10,511.71
6. Step 6: Final answer
   x = 7,909.63