Finding the Fourth Proportional to 1,044.54, 1,440.72 and 651.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,044.54 : 1,440.72 = 651.42 : x
2. Step 2: Convert to fraction form
   1,044.54/1,440.72 = 651.42/x
3. Step 3: Cross multiply
   1,044.54x = 1,440.72 × 651.42
4. Step 4: Simplify right side
   1,044.54x = 938,513.82
5. Step 5: Solve for x
   x = 938,513.82/1,044.54
6. Step 6: Final answer
   x = 898.49