Finding the Fourth Proportional to 2,261.93, 3,122.85 and 1,791.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,261.93 : 3,122.85 = 1,791.72 : x
2. Step 2: Convert to fraction form
   2,261.93/3,122.85 = 1,791.72/x
3. Step 3: Cross multiply
   2,261.93x = 3,122.85 × 1,791.72
4. Step 4: Simplify right side
   2,261.93x = 5,595,279.52
5. Step 5: Solve for x
   x = 5,595,279.52/2,261.93
6. Step 6: Final answer
   x = 2,473.68