Finding the Fourth Proportional to 1,518.54, 2,288.76 and 1,518.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,518.54 : 2,288.76 = 1,518.54 : x
2. Step 2: Convert to fraction form
   1,518.54/2,288.76 = 1,518.54/x
3. Step 3: Cross multiply
   1,518.54x = 2,288.76 × 1,518.54
4. Step 4: Simplify right side
   1,518.54x = 3,475,573.61
5. Step 5: Solve for x
   x = 3,475,573.61/1,518.54
6. Step 6: Final answer
   x = 2,288.76