Finding the Fourth Proportional to 1,660.54, 2,291.54 and 914.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,660.54 : 2,291.54 = 914.50 : x
2. Step 2: Convert to fraction form
   1,660.54/2,291.54 = 914.50/x
3. Step 3: Cross multiply
   1,660.54x = 2,291.54 × 914.50
4. Step 4: Simplify right side
   1,660.54x = 2,095,608.17
5. Step 5: Solve for x
   x = 2,095,608.17/1,660.54
6. Step 6: Final answer
   x = 1,262.00