Finding the Fourth Proportional to 1,550.01, 2,322.29 and 1,288.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,550.01 : 2,322.29 = 1,288.49 : x
2. Step 2: Convert to fraction form
   1,550.01/2,322.29 = 1,288.49/x
3. Step 3: Cross multiply
   1,550.01x = 2,322.29 × 1,288.49
4. Step 4: Simplify right side
   1,550.01x = 2,992,229.39
5. Step 5: Solve for x
   x = 2,992,229.39/1,550.01
6. Step 6: Final answer
   x = 1,930.46