Finding the Fourth Proportional to 11,443.18, 17,027.70 and 11,404.30

Step by Step Solution

1. Step 1: Write the proportion equation
   11,443.18 : 17,027.70 = 11,404.30 : x
2. Step 2: Convert to fraction form
   11,443.18/17,027.70 = 11,404.30/x
3. Step 3: Cross multiply
   11,443.18x = 17,027.70 × 11,404.30
4. Step 4: Simplify right side
   11,443.18x = 194,188,999.11
5. Step 5: Solve for x
   x = 194,188,999.11/11,443.18
6. Step 6: Final answer
   x = 16,969.85