Finding the Fourth Proportional to 1,123.48, 1,550.28 and 651.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,123.48 : 1,550.28 = 651.18 : x
2. Step 2: Convert to fraction form
   1,123.48/1,550.28 = 651.18/x
3. Step 3: Cross multiply
   1,123.48x = 1,550.28 × 651.18
4. Step 4: Simplify right side
   1,123.48x = 1,009,511.33
5. Step 5: Solve for x
   x = 1,009,511.33/1,123.48
6. Step 6: Final answer
   x = 898.56