Finding the Fourth Proportional to 1,123.25, 1,549.85 and 651.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,123.25 : 1,549.85 = 651.12 : x
2. Step 2: Convert to fraction form
   1,123.25/1,549.85 = 651.12/x
3. Step 3: Cross multiply
   1,123.25x = 1,549.85 × 651.12
4. Step 4: Simplify right side
   1,123.25x = 1,009,138.33
5. Step 5: Solve for x
   x = 1,009,138.33/1,123.25
6. Step 6: Final answer
   x = 898.41