Finding the Fourth Proportional to 10,333.07, 14,258.56 and 5,857.21

Step by Step Solution

1. Step 1: Write the proportion equation
   10,333.07 : 14,258.56 = 5,857.21 : x
2. Step 2: Convert to fraction form
   10,333.07/14,258.56 = 5,857.21/x
3. Step 3: Cross multiply
   10,333.07x = 14,258.56 × 5,857.21
4. Step 4: Simplify right side
   10,333.07x = 83,515,380.22
5. Step 5: Solve for x
   x = 83,515,380.22/10,333.07
6. Step 6: Final answer
   x = 8,082.34