Finding the Fourth Proportional to 11,817.92, 17,724.24 and 3,498.56

Step by Step Solution

1. Step 1: Write the proportion equation
   11,817.92 : 17,724.24 = 3,498.56 : x
2. Step 2: Convert to fraction form
   11,817.92/17,724.24 = 3,498.56/x
3. Step 3: Cross multiply
   11,817.92x = 17,724.24 × 3,498.56
4. Step 4: Simplify right side
   11,817.92x = 62,009,317.09
5. Step 5: Solve for x
   x = 62,009,317.09/11,817.92
6. Step 6: Final answer
   x = 5,247.06