Finding the Fourth Proportional to 11,337.30, 17,005.98 and 3,439.88

Step by Step Solution

1. Step 1: Write the proportion equation
   11,337.30 : 17,005.98 = 3,439.88 : x
2. Step 2: Convert to fraction form
   11,337.30/17,005.98 = 3,439.88/x
3. Step 3: Cross multiply
   11,337.30x = 17,005.98 × 3,439.88
4. Step 4: Simplify right side
   11,337.30x = 58,498,542.43
5. Step 5: Solve for x
   x = 58,498,542.43/11,337.30
6. Step 6: Final answer
   x = 5,159.83