Finding the Fourth Proportional to 1,488.51, 2,233.85 and 1,046.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,488.51 : 2,233.85 = 1,046.86 : x
2. Step 2: Convert to fraction form
   1,488.51/2,233.85 = 1,046.86/x
3. Step 3: Cross multiply
   1,488.51x = 2,233.85 × 1,046.86
4. Step 4: Simplify right side
   1,488.51x = 2,338,517.39
5. Step 5: Solve for x
   x = 2,338,517.39/1,488.51
6. Step 6: Final answer
   x = 1,571.05