Finding the Fourth Proportional to 1,162.01, 1,604.32 and 720.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,162.01 : 1,604.32 = 720.38 : x
2. Step 2: Convert to fraction form
   1,162.01/1,604.32 = 720.38/x
3. Step 3: Cross multiply
   1,162.01x = 1,604.32 × 720.38
4. Step 4: Simplify right side
   1,162.01x = 1,155,710.22
5. Step 5: Solve for x
   x = 1,155,710.22/1,162.01
6. Step 6: Final answer
   x = 994.58