Finding the Fourth Proportional to 1,488.22, 2,230.83 and 1,076.35

Step by Step Solution

1. Step 1: Write the proportion equation
   1,488.22 : 2,230.83 = 1,076.35 : x
2. Step 2: Convert to fraction form
   1,488.22/2,230.83 = 1,076.35/x
3. Step 3: Cross multiply
   1,488.22x = 2,230.83 × 1,076.35
4. Step 4: Simplify right side
   1,488.22x = 2,401,153.87
5. Step 5: Solve for x
   x = 2,401,153.87/1,488.22
6. Step 6: Final answer
   x = 1,613.44