Finding the Fourth Proportional to 2,656.08, 3,664.38 and 1,607.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,656.08 : 3,664.38 = 1,607.76 : x
2. Step 2: Convert to fraction form
   2,656.08/3,664.38 = 1,607.76/x
3. Step 3: Cross multiply
   2,656.08x = 3,664.38 × 1,607.76
4. Step 4: Simplify right side
   2,656.08x = 5,891,443.59
5. Step 5: Solve for x
   x = 5,891,443.59/2,656.08
6. Step 6: Final answer
   x = 2,218.10