Finding the Fourth Proportional to 2,541.90, 3,507.48 and 1,658.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,541.90 : 3,507.48 = 1,658.89 : x
2. Step 2: Convert to fraction form
   2,541.90/3,507.48 = 1,658.89/x
3. Step 3: Cross multiply
   2,541.90x = 3,507.48 × 1,658.89
4. Step 4: Simplify right side
   2,541.90x = 5,818,523.50
5. Step 5: Solve for x
   x = 5,818,523.50/2,541.90
6. Step 6: Final answer
   x = 2,289.05