Finding the Fourth Proportional to 1,160.82, 1,602.69 and 719.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,160.82 : 1,602.69 = 719.37 : x
2. Step 2: Convert to fraction form
   1,160.82/1,602.69 = 719.37/x
3. Step 3: Cross multiply
   1,160.82x = 1,602.69 × 719.37
4. Step 4: Simplify right side
   1,160.82x = 1,152,927.11
5. Step 5: Solve for x
   x = 1,152,927.11/1,160.82
6. Step 6: Final answer
   x = 993.20