Finding the Fourth Proportional to 1,096.82, 1,513.60 and 655.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,096.82 : 1,513.60 = 655.31 : x
2. Step 2: Convert to fraction form
   1,096.82/1,513.60 = 655.31/x
3. Step 3: Cross multiply
   1,096.82x = 1,513.60 × 655.31
4. Step 4: Simplify right side
   1,096.82x = 991,875.58
5. Step 5: Solve for x
   x = 991,875.58/1,096.82
6. Step 6: Final answer
   x = 904.32