Finding the Fourth Proportional to 2,659.39, 3,669.93 and 1,611.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,659.39 : 3,669.93 = 1,611.43 : x
2. Step 2: Convert to fraction form
   2,659.39/3,669.93 = 1,611.43/x
3. Step 3: Cross multiply
   2,659.39x = 3,669.93 × 1,611.43
4. Step 4: Simplify right side
   2,659.39x = 5,913,835.30
5. Step 5: Solve for x
   x = 5,913,835.30/2,659.39
6. Step 6: Final answer
   x = 2,223.76