Finding the Fourth Proportional to 1,158.48, 1,597.30 and 804.70

Step by Step Solution

1. Step 1: Write the proportion equation
   1,158.48 : 1,597.30 = 804.70 : x
2. Step 2: Convert to fraction form
   1,158.48/1,597.30 = 804.70/x
3. Step 3: Cross multiply
   1,158.48x = 1,597.30 × 804.70
4. Step 4: Simplify right side
   1,158.48x = 1,285,351.82
5. Step 5: Solve for x
   x = 1,285,351.82/1,158.48
6. Step 6: Final answer
   x = 1,109.52