Finding the Fourth Proportional to 10,511.73, 14,505.75 and 5,731.59

Step by Step Solution

1. Step 1: Write the proportion equation
   10,511.73 : 14,505.75 = 5,731.59 : x
2. Step 2: Convert to fraction form
   10,511.73/14,505.75 = 5,731.59/x
3. Step 3: Cross multiply
   10,511.73x = 14,505.75 × 5,731.59
4. Step 4: Simplify right side
   10,511.73x = 83,141,011.64
5. Step 5: Solve for x
   x = 83,141,011.64/10,511.73
6. Step 6: Final answer
   x = 7,909.36