Finding the Fourth Proportional to 1,162.38, 1,603.60 and 719.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,162.38 : 1,603.60 = 719.52 : x
2. Step 2: Convert to fraction form
   1,162.38/1,603.60 = 719.52/x
3. Step 3: Cross multiply
   1,162.38x = 1,603.60 × 719.52
4. Step 4: Simplify right side
   1,162.38x = 1,153,814.46
5. Step 5: Solve for x
   x = 1,153,814.46/1,162.38
6. Step 6: Final answer
   x = 992.63