Finding the Fourth Proportional to 1,159.76, 1,600.61 and 662.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,159.76 : 1,600.61 = 662.54 : x
2. Step 2: Convert to fraction form
   1,159.76/1,600.61 = 662.54/x
3. Step 3: Cross multiply
   1,159.76x = 1,600.61 × 662.54
4. Step 4: Simplify right side
   1,159.76x = 1,060,456.83
5. Step 5: Solve for x
   x = 1,060,456.83/1,159.76
6. Step 6: Final answer
   x = 914.37