Finding the Fourth Proportional to 2,151.72, 3,222.60 and 1,835.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,151.72 : 3,222.60 = 1,835.94 : x
2. Step 2: Convert to fraction form
   2,151.72/3,222.60 = 1,835.94/x
3. Step 3: Cross multiply
   2,151.72x = 3,222.60 × 1,835.94
4. Step 4: Simplify right side
   2,151.72x = 5,916,500.24
5. Step 5: Solve for x
   x = 5,916,500.24/2,151.72
6. Step 6: Final answer
   x = 2,749.66