Finding the Fourth Proportional to 2,050.72, 3,077.22 and 1,230.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,050.72 : 3,077.22 = 1,230.55 : x
2. Step 2: Convert to fraction form
   2,050.72/3,077.22 = 1,230.55/x
3. Step 3: Cross multiply
   2,050.72x = 3,077.22 × 1,230.55
4. Step 4: Simplify right side
   2,050.72x = 3,786,673.07
5. Step 5: Solve for x
   x = 3,786,673.07/2,050.72
6. Step 6: Final answer
   x = 1,846.51