Finding the Fourth Proportional to 1,160.41, 1,601.35 and 663.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,160.41 : 1,601.35 = 663.04 : x
2. Step 2: Convert to fraction form
   1,160.41/1,601.35 = 663.04/x
3. Step 3: Cross multiply
   1,160.41x = 1,601.35 × 663.04
4. Step 4: Simplify right side
   1,160.41x = 1,061,759.10
5. Step 5: Solve for x
   x = 1,061,759.10/1,160.41
6. Step 6: Final answer
   x = 914.99