Finding the Fourth Proportional to 2,272.86, 3,131.85 and 1,828.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,272.86 : 3,131.85 = 1,828.98 : x
2. Step 2: Convert to fraction form
   2,272.86/3,131.85 = 1,828.98/x
3. Step 3: Cross multiply
   2,272.86x = 3,131.85 × 1,828.98
4. Step 4: Simplify right side
   2,272.86x = 5,728,091.01
5. Step 5: Solve for x
   x = 5,728,091.01/2,272.86
6. Step 6: Final answer
   x = 2,520.21