Finding the Fourth Proportional to 15,443.00, 21,311.37 and 8,369.42

Step by Step Solution

1. Step 1: Write the proportion equation
   15,443.00 : 21,311.37 = 8,369.42 : x
2. Step 2: Convert to fraction form
   15,443.00/21,311.37 = 8,369.42/x
3. Step 3: Cross multiply
   15,443.00x = 21,311.37 × 8,369.42
4. Step 4: Simplify right side
   15,443.00x = 178,363,699.75
5. Step 5: Solve for x
   x = 178,363,699.75/15,443.00
6. Step 6: Final answer
   x = 11,549.81