Finding the Fourth Proportional to 1,123.49, 1,550.38 and 651.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,123.49 : 1,550.38 = 651.49 : x
2. Step 2: Convert to fraction form
   1,123.49/1,550.38 = 651.49/x
3. Step 3: Cross multiply
   1,123.49x = 1,550.38 × 651.49
4. Step 4: Simplify right side
   1,123.49x = 1,010,050.78
5. Step 5: Solve for x
   x = 1,010,050.78/1,123.49
6. Step 6: Final answer
   x = 899.03