Finding the Fourth Proportional to 2,915.69, 4,023.72 and 1,656.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,915.69 : 4,023.72 = 1,656.55 : x
2. Step 2: Convert to fraction form
   2,915.69/4,023.72 = 1,656.55/x
3. Step 3: Cross multiply
   2,915.69x = 4,023.72 × 1,656.55
4. Step 4: Simplify right side
   2,915.69x = 6,665,493.37
5. Step 5: Solve for x
   x = 6,665,493.37/2,915.69
6. Step 6: Final answer
   x = 2,286.08