Finding the Fourth Proportional to 1,162.24, 1,603.77 and 719.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,162.24 : 1,603.77 = 719.98 : x
2. Step 2: Convert to fraction form
   1,162.24/1,603.77 = 719.98/x
3. Step 3: Cross multiply
   1,162.24x = 1,603.77 × 719.98
4. Step 4: Simplify right side
   1,162.24x = 1,154,682.32
5. Step 5: Solve for x
   x = 1,154,682.32/1,162.24
6. Step 6: Final answer
   x = 993.50