Finding the Fourth Proportional to 1,159.79, 1,600.56 and 662.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,159.79 : 1,600.56 = 662.53 : x
2. Step 2: Convert to fraction form
   1,159.79/1,600.56 = 662.53/x
3. Step 3: Cross multiply
   1,159.79x = 1,600.56 × 662.53
4. Step 4: Simplify right side
   1,159.79x = 1,060,418.02
5. Step 5: Solve for x
   x = 1,060,418.02/1,159.79
6. Step 6: Final answer
   x = 914.32