Finding the Fourth Proportional to 2,613.74, 3,606.40 and 1,551.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,613.74 : 3,606.40 = 1,551.47 : x
2. Step 2: Convert to fraction form
   2,613.74/3,606.40 = 1,551.47/x
3. Step 3: Cross multiply
   2,613.74x = 3,606.40 × 1,551.47
4. Step 4: Simplify right side
   2,613.74x = 5,595,221.41
5. Step 5: Solve for x
   x = 5,595,221.41/2,613.74
6. Step 6: Final answer
   x = 2,140.70