Finding the Fourth Proportional to 2,601.92, 3,588.77 and 1,656.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,601.92 : 3,588.77 = 1,656.78 : x
2. Step 2: Convert to fraction form
   2,601.92/3,588.77 = 1,656.78/x
3. Step 3: Cross multiply
   2,601.92x = 3,588.77 × 1,656.78
4. Step 4: Simplify right side
   2,601.92x = 5,945,802.36
5. Step 5: Solve for x
   x = 5,945,802.36/2,601.92
6. Step 6: Final answer
   x = 2,285.16