Finding the Fourth Proportional to 5,333.89, 8,000.83 and 1,438.29

Step by Step Solution

1. Step 1: Write the proportion equation
   5,333.89 : 8,000.83 = 1,438.29 : x
2. Step 2: Convert to fraction form
   5,333.89/8,000.83 = 1,438.29/x
3. Step 3: Cross multiply
   5,333.89x = 8,000.83 × 1,438.29
4. Step 4: Simplify right side
   5,333.89x = 11,507,513.78
5. Step 5: Solve for x
   x = 11,507,513.78/5,333.89
6. Step 6: Final answer
   x = 2,157.43