Finding the Fourth Proportional to 2,551.69, 3,521.82 and 1,656.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,551.69 : 3,521.82 = 1,656.55 : x
2. Step 2: Convert to fraction form
   2,551.69/3,521.82 = 1,656.55/x
3. Step 3: Cross multiply
   2,551.69x = 3,521.82 × 1,656.55
4. Step 4: Simplify right side
   2,551.69x = 5,834,070.92
5. Step 5: Solve for x
   x = 5,834,070.92/2,551.69
6. Step 6: Final answer
   x = 2,286.36