Finding the Fourth Proportional to 2,540.34, 3,505.77 and 1,656.90

Step by Step Solution

1. Step 1: Write the proportion equation
   2,540.34 : 3,505.77 = 1,656.90 : x
2. Step 2: Convert to fraction form
   2,540.34/3,505.77 = 1,656.90/x
3. Step 3: Cross multiply
   2,540.34x = 3,505.77 × 1,656.90
4. Step 4: Simplify right side
   2,540.34x = 5,808,710.31
5. Step 5: Solve for x
   x = 5,808,710.31/2,540.34
6. Step 6: Final answer
   x = 2,286.59