Finding the Fourth Proportional to 1,162.30, 1,604.26 and 719.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,162.30 : 1,604.26 = 719.94 : x
2. Step 2: Convert to fraction form
   1,162.30/1,604.26 = 719.94/x
3. Step 3: Cross multiply
   1,162.30x = 1,604.26 × 719.94
4. Step 4: Simplify right side
   1,162.30x = 1,154,970.94
5. Step 5: Solve for x
   x = 1,154,970.94/1,162.30
6. Step 6: Final answer
   x = 993.69