Finding the Fourth Proportional to 2,657.58, 3,669.72 and 1,664.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,657.58 : 3,669.72 = 1,664.52 : x
2. Step 2: Convert to fraction form
   2,657.58/3,669.72 = 1,664.52/x
3. Step 3: Cross multiply
   2,657.58x = 3,669.72 × 1,664.52
4. Step 4: Simplify right side
   2,657.58x = 6,108,322.33
5. Step 5: Solve for x
   x = 6,108,322.33/2,657.58
6. Step 6: Final answer
   x = 2,298.45