Finding the Fourth Proportional to 1,096.90, 1,513.74 and 654.84

Step by Step Solution

1. Step 1: Write the proportion equation
   1,096.90 : 1,513.74 = 654.84 : x
2. Step 2: Convert to fraction form
   1,096.90/1,513.74 = 654.84/x
3. Step 3: Cross multiply
   1,096.90x = 1,513.74 × 654.84
4. Step 4: Simplify right side
   1,096.90x = 991,257.50
5. Step 5: Solve for x
   x = 991,257.50/1,096.90
6. Step 6: Final answer
   x = 903.69