Finding the Fourth Proportional to 11,820.92, 17,733.30 and 3,611

Step by Step Solution

1. Step 1: Write the proportion equation
   11,820.92 : 17,733.30 = 3,611 : x
2. Step 2: Convert to fraction form
   11,820.92/17,733.30 = 3,611/x
3. Step 3: Cross multiply
   11,820.92x = 17,733.30 × 3,611
4. Step 4: Simplify right side
   11,820.92x = 64,034,946.30
5. Step 5: Solve for x
   x = 64,034,946.30/11,820.92
6. Step 6: Final answer
   x = 5,417.09