Finding the Fourth Proportional to 13,613.89, 20,429.01 and 5,822.71

Step by Step Solution

1. Step 1: Write the proportion equation
   13,613.89 : 20,429.01 = 5,822.71 : x
2. Step 2: Convert to fraction form
   13,613.89/20,429.01 = 5,822.71/x
3. Step 3: Cross multiply
   13,613.89x = 20,429.01 × 5,822.71
4. Step 4: Simplify right side
   13,613.89x = 118,952,098.67
5. Step 5: Solve for x
   x = 118,952,098.67/13,613.89
6. Step 6: Final answer
   x = 8,737.56