Finding the Fourth Proportional to 2,749.83, 3,790.33 and 2,151.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,749.83 : 3,790.33 = 2,151.30 : x
2. Step 2: Convert to fraction form
   2,749.83/3,790.33 = 2,151.30/x
3. Step 3: Cross multiply
   2,749.83x = 3,790.33 × 2,151.30
4. Step 4: Simplify right side
   2,749.83x = 8,154,136.93
5. Step 5: Solve for x
   x = 8,154,136.93/2,749.83
6. Step 6: Final answer
   x = 2,965.32