Finding the Fourth Proportional to 2,613.69, 3,605.71 and 1,551.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,613.69 : 3,605.71 = 1,551.50 : x
2. Step 2: Convert to fraction form
   2,613.69/3,605.71 = 1,551.50/x
3. Step 3: Cross multiply
   2,613.69x = 3,605.71 × 1,551.50
4. Step 4: Simplify right side
   2,613.69x = 5,594,237.16
5. Step 5: Solve for x
   x = 5,594,237.16/2,613.69
6. Step 6: Final answer
   x = 2,140.36