Finding the Fourth Proportional to 1,097.45, 1,512.83 and 900.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,097.45 : 1,512.83 = 900.62 : x
2. Step 2: Convert to fraction form
   1,097.45/1,512.83 = 900.62/x
3. Step 3: Cross multiply
   1,097.45x = 1,512.83 × 900.62
4. Step 4: Simplify right side
   1,097.45x = 1,362,480.25
5. Step 5: Solve for x
   x = 1,362,480.25/1,097.45
6. Step 6: Final answer
   x = 1,241.50