Finding the Fourth Proportional to 11,343, 17,012.58 and 3,443.61

Step by Step Solution

1. Step 1: Write the proportion equation
   11,343 : 17,012.58 = 3,443.61 : x
2. Step 2: Convert to fraction form
   11,343/17,012.58 = 3,443.61/x
3. Step 3: Cross multiply
   11,343x = 17,012.58 × 3,443.61
4. Step 4: Simplify right side
   11,343x = 58,584,690.61
5. Step 5: Solve for x
   x = 58,584,690.61/11,343
6. Step 6: Final answer
   x = 5,164.83