Finding the Fourth Proportional to 1,101.48, 1,520.16 and 682.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,101.48 : 1,520.16 = 682.10 : x
2. Step 2: Convert to fraction form
   1,101.48/1,520.16 = 682.10/x
3. Step 3: Cross multiply
   1,101.48x = 1,520.16 × 682.10
4. Step 4: Simplify right side
   1,101.48x = 1,036,901.14
5. Step 5: Solve for x
   x = 1,036,901.14/1,101.48
6. Step 6: Final answer
   x = 941.37