Finding the Fourth Proportional to 1,097.78, 1,632.54 and 1,063.17

Step by Step Solution

1. Step 1: Write the proportion equation
   1,097.78 : 1,632.54 = 1,063.17 : x
2. Step 2: Convert to fraction form
   1,097.78/1,632.54 = 1,063.17/x
3. Step 3: Cross multiply
   1,097.78x = 1,632.54 × 1,063.17
4. Step 4: Simplify right side
   1,097.78x = 1,735,667.55
5. Step 5: Solve for x
   x = 1,735,667.55/1,097.78
6. Step 6: Final answer
   x = 1,581.08