Finding the Fourth Proportional to 1,113.24, 1,535.16 and 848.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,113.24 : 1,535.16 = 848.37 : x
2. Step 2: Convert to fraction form
   1,113.24/1,535.16 = 848.37/x
3. Step 3: Cross multiply
   1,113.24x = 1,535.16 × 848.37
4. Step 4: Simplify right side
   1,113.24x = 1,302,383.69
5. Step 5: Solve for x
   x = 1,302,383.69/1,113.24
6. Step 6: Final answer
   x = 1,169.90