Finding the Fourth Proportional to 2,087.32, 2,877.42 and 1,644.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,087.32 : 2,877.42 = 1,644.34 : x
2. Step 2: Convert to fraction form
   2,087.32/2,877.42 = 1,644.34/x
3. Step 3: Cross multiply
   2,087.32x = 2,877.42 × 1,644.34
4. Step 4: Simplify right side
   2,087.32x = 4,731,456.80
5. Step 5: Solve for x
   x = 4,731,456.80/2,087.32
6. Step 6: Final answer
   x = 2,266.76