Finding the Fourth Proportional to 2,152.10, 3,230.67 and 1,791.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,152.10 : 3,230.67 = 1,791.22 : x
2. Step 2: Convert to fraction form
   2,152.10/3,230.67 = 1,791.22/x
3. Step 3: Cross multiply
   2,152.10x = 3,230.67 × 1,791.22
4. Step 4: Simplify right side
   2,152.10x = 5,786,840.72
5. Step 5: Solve for x
   x = 5,786,840.72/2,152.10
6. Step 6: Final answer
   x = 2,688.93