Finding the Fourth Proportional to 2,548.96, 3,518.32 and 1,664.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,548.96 : 3,518.32 = 1,664.91 : x
2. Step 2: Convert to fraction form
   2,548.96/3,518.32 = 1,664.91/x
3. Step 3: Cross multiply
   2,548.96x = 3,518.32 × 1,664.91
4. Step 4: Simplify right side
   2,548.96x = 5,857,686.15
5. Step 5: Solve for x
   x = 5,857,686.15/2,548.96
6. Step 6: Final answer
   x = 2,298.07