Finding the Fourth Proportional to 2,548.86, 3,515.77 and 1,664.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,548.86 : 3,515.77 = 1,664.34 : x
2. Step 2: Convert to fraction form
   2,548.86/3,515.77 = 1,664.34/x
3. Step 3: Cross multiply
   2,548.86x = 3,515.77 × 1,664.34
4. Step 4: Simplify right side
   2,548.86x = 5,851,436.64
5. Step 5: Solve for x
   x = 5,851,436.64/2,548.86
6. Step 6: Final answer
   x = 2,295.71