Finding the Fourth Proportional to 9,426.83, 14,123.87 and 5,721.25

Step by Step Solution

1. Step 1: Write the proportion equation
   9,426.83 : 14,123.87 = 5,721.25 : x
2. Step 2: Convert to fraction form
   9,426.83/14,123.87 = 5,721.25/x
3. Step 3: Cross multiply
   9,426.83x = 14,123.87 × 5,721.25
4. Step 4: Simplify right side
   9,426.83x = 80,806,175.26
5. Step 5: Solve for x
   x = 80,806,175.26/9,426.83
6. Step 6: Final answer
   x = 8,571.93