Finding the Fourth Proportional to 1,147.27, 1,583.18 and 649.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,147.27 : 1,583.18 = 649.89 : x
2. Step 2: Convert to fraction form
   1,147.27/1,583.18 = 649.89/x
3. Step 3: Cross multiply
   1,147.27x = 1,583.18 × 649.89
4. Step 4: Simplify right side
   1,147.27x = 1,028,893.56
5. Step 5: Solve for x
   x = 1,028,893.56/1,147.27
6. Step 6: Final answer
   x = 896.82