Finding the Fourth Proportional to 2,651.81, 3,658.56 and 1,656.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,651.81 : 3,658.56 = 1,656.72 : x
2. Step 2: Convert to fraction form
   2,651.81/3,658.56 = 1,656.72/x
3. Step 3: Cross multiply
   2,651.81x = 3,658.56 × 1,656.72
4. Step 4: Simplify right side
   2,651.81x = 6,061,209.52
5. Step 5: Solve for x
   x = 6,061,209.52/2,651.81
6. Step 6: Final answer
   x = 2,285.69