Finding the Fourth Proportional to 10,406.94, 14,361.58 and 5,691.22

Step by Step Solution

1. Step 1: Write the proportion equation
   10,406.94 : 14,361.58 = 5,691.22 : x
2. Step 2: Convert to fraction form
   10,406.94/14,361.58 = 5,691.22/x
3. Step 3: Cross multiply
   10,406.94x = 14,361.58 × 5,691.22
4. Step 4: Simplify right side
   10,406.94x = 81,734,911.33
5. Step 5: Solve for x
   x = 81,734,911.33/10,406.94
6. Step 6: Final answer
   x = 7,853.89