Finding the Fourth Proportional to 10,123.21, 13,971.41 and 5,874.36

Step by Step Solution

1. Step 1: Write the proportion equation
   10,123.21 : 13,971.41 = 5,874.36 : x
2. Step 2: Convert to fraction form
   10,123.21/13,971.41 = 5,874.36/x
3. Step 3: Cross multiply
   10,123.21x = 13,971.41 × 5,874.36
4. Step 4: Simplify right side
   10,123.21x = 82,073,092.05
5. Step 5: Solve for x
   x = 82,073,092.05/10,123.21
6. Step 6: Final answer
   x = 8,107.42