Finding the Fourth Proportional to 1,661.27, 2,290.50 and 1,521.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,661.27 : 2,290.50 = 1,521.83 : x
2. Step 2: Convert to fraction form
   1,661.27/2,290.50 = 1,521.83/x
3. Step 3: Cross multiply
   1,661.27x = 2,290.50 × 1,521.83
4. Step 4: Simplify right side
   1,661.27x = 3,485,757.34
5. Step 5: Solve for x
   x = 3,485,757.34/1,661.27
6. Step 6: Final answer
   x = 2,098.25