Finding the Fourth Proportional to 2,081.25, 2,870.67 and 2,012.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,081.25 : 2,870.67 = 2,012.61 : x
2. Step 2: Convert to fraction form
   2,081.25/2,870.67 = 2,012.61/x
3. Step 3: Cross multiply
   2,081.25x = 2,870.67 × 2,012.61
4. Step 4: Simplify right side
   2,081.25x = 5,777,539.15
5. Step 5: Solve for x
   x = 5,777,539.15/2,081.25
6. Step 6: Final answer
   x = 2,775.99