Finding the Fourth Proportional to 2,518.50, 3,474.54 and 1,455.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,518.50 : 3,474.54 = 1,455.50 : x
2. Step 2: Convert to fraction form
   2,518.50/3,474.54 = 1,455.50/x
3. Step 3: Cross multiply
   2,518.50x = 3,474.54 × 1,455.50
4. Step 4: Simplify right side
   2,518.50x = 5,057,192.97
5. Step 5: Solve for x
   x = 5,057,192.97/2,518.50
6. Step 6: Final answer
   x = 2,008.02