Finding the Fourth Proportional to 11,598.86, 17,398.91 and 3,279.49

Step by Step Solution

1. Step 1: Write the proportion equation
   11,598.86 : 17,398.91 = 3,279.49 : x
2. Step 2: Convert to fraction form
   11,598.86/17,398.91 = 3,279.49/x
3. Step 3: Cross multiply
   11,598.86x = 17,398.91 × 3,279.49
4. Step 4: Simplify right side
   11,598.86x = 57,059,516.06
5. Step 5: Solve for x
   x = 57,059,516.06/11,598.86
6. Step 6: Final answer
   x = 4,919.41