Finding the Fourth Proportional to 2,613.57, 3,606.80 and 1,551.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,613.57 : 3,606.80 = 1,551.86 : x
2. Step 2: Convert to fraction form
   2,613.57/3,606.80 = 1,551.86/x
3. Step 3: Cross multiply
   2,613.57x = 3,606.80 × 1,551.86
4. Step 4: Simplify right side
   2,613.57x = 5,597,236.38
5. Step 5: Solve for x
   x = 5,597,236.38/2,613.57
6. Step 6: Final answer
   x = 2,141.61