Finding the Fourth Proportional to 2,411.39, 3,611.15 and 1,992.36

Step by Step Solution

1. Step 1: Write the proportion equation
   2,411.39 : 3,611.15 = 1,992.36 : x
2. Step 2: Convert to fraction form
   2,411.39/3,611.15 = 1,992.36/x
3. Step 3: Cross multiply
   2,411.39x = 3,611.15 × 1,992.36
4. Step 4: Simplify right side
   2,411.39x = 7,194,715.79
5. Step 5: Solve for x
   x = 7,194,715.79/2,411.39
6. Step 6: Final answer
   x = 2,983.64