Finding the Fourth Proportional to 2,656.71, 3,666.60 and 1,608.77

Step by Step Solution

1. Step 1: Write the proportion equation
   2,656.71 : 3,666.60 = 1,608.77 : x
2. Step 2: Convert to fraction form
   2,656.71/3,666.60 = 1,608.77/x
3. Step 3: Cross multiply
   2,656.71x = 3,666.60 × 1,608.77
4. Step 4: Simplify right side
   2,656.71x = 5,898,725.25
5. Step 5: Solve for x
   x = 5,898,725.25/2,656.71
6. Step 6: Final answer
   x = 2,220.31