Finding the Fourth Proportional to 2,775.69, 3,829.71 and 1,656.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,775.69 : 3,829.71 = 1,656.12 : x
2. Step 2: Convert to fraction form
   2,775.69/3,829.71 = 1,656.12/x
3. Step 3: Cross multiply
   2,775.69x = 3,829.71 × 1,656.12
4. Step 4: Simplify right side
   2,775.69x = 6,342,459.33
5. Step 5: Solve for x
   x = 6,342,459.33/2,775.69
6. Step 6: Final answer
   x = 2,285.00