Finding the Fourth Proportional to 1,160.02, 1,600.56 and 662.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,160.02 : 1,600.56 = 662.55 : x
2. Step 2: Convert to fraction form
   1,160.02/1,600.56 = 662.55/x
3. Step 3: Cross multiply
   1,160.02x = 1,600.56 × 662.55
4. Step 4: Simplify right side
   1,160.02x = 1,060,445.03
5. Step 5: Solve for x
   x = 1,060,445.03/1,160.02
6. Step 6: Final answer
   x = 914.16