Finding the Fourth Proportional to 11,662.39, 17,487.91 and 4,261.83

Step by Step Solution

1. Step 1: Write the proportion equation
   11,662.39 : 17,487.91 = 4,261.83 : x
2. Step 2: Convert to fraction form
   11,662.39/17,487.91 = 4,261.83/x
3. Step 3: Cross multiply
   11,662.39x = 17,487.91 × 4,261.83
4. Step 4: Simplify right side
   11,662.39x = 74,530,499.48
5. Step 5: Solve for x
   x = 74,530,499.48/11,662.39
6. Step 6: Final answer
   x = 6,390.67