Finding the Fourth Proportional to 9,505.82, 13,111.81 and 5,726.43

Step by Step Solution

1. Step 1: Write the proportion equation
   9,505.82 : 13,111.81 = 5,726.43 : x
2. Step 2: Convert to fraction form
   9,505.82/13,111.81 = 5,726.43/x
3. Step 3: Cross multiply
   9,505.82x = 13,111.81 × 5,726.43
4. Step 4: Simplify right side
   9,505.82x = 75,083,847.82
5. Step 5: Solve for x
   x = 75,083,847.82/9,505.82
6. Step 6: Final answer
   x = 7,898.72