Finding the Fourth Proportional to 2,089.73, 3,131.90 and 1,829.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,089.73 : 3,131.90 = 1,829.12 : x
2. Step 2: Convert to fraction form
   2,089.73/3,131.90 = 1,829.12/x
3. Step 3: Cross multiply
   2,089.73x = 3,131.90 × 1,829.12
4. Step 4: Simplify right side
   2,089.73x = 5,728,602.98
5. Step 5: Solve for x
   x = 5,728,602.98/2,089.73
6. Step 6: Final answer
   x = 2,741.31