Finding the Fourth Proportional to 2,502.66, 3,454.88 and 1,664.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,502.66 : 3,454.88 = 1,664.76 : x
2. Step 2: Convert to fraction form
   2,502.66/3,454.88 = 1,664.76/x
3. Step 3: Cross multiply
   2,502.66x = 3,454.88 × 1,664.76
4. Step 4: Simplify right side
   2,502.66x = 5,751,546.03
5. Step 5: Solve for x
   x = 5,751,546.03/2,502.66
6. Step 6: Final answer
   x = 2,298.17