Finding the Fourth Proportional to 11,611.75, 17,417.59 and 3,291.84

Step by Step Solution

1. Step 1: Write the proportion equation
   11,611.75 : 17,417.59 = 3,291.84 : x
2. Step 2: Convert to fraction form
   11,611.75/17,417.59 = 3,291.84/x
3. Step 3: Cross multiply
   11,611.75x = 17,417.59 × 3,291.84
4. Step 4: Simplify right side
   11,611.75x = 57,335,919.47
5. Step 5: Solve for x
   x = 57,335,919.47/11,611.75
6. Step 6: Final answer
   x = 4,937.75