Finding the Fourth Proportional to 2,613.90, 3,606.01 and 1,551.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,613.90 : 3,606.01 = 1,551.71 : x
2. Step 2: Convert to fraction form
   2,613.90/3,606.01 = 1,551.71/x
3. Step 3: Cross multiply
   2,613.90x = 3,606.01 × 1,551.71
4. Step 4: Simplify right side
   2,613.90x = 5,595,486.21
5. Step 5: Solve for x
   x = 5,595,486.21/2,613.90
6. Step 6: Final answer
   x = 2,140.66