Finding the Fourth Proportional to 1,481.83, 2,221.43 and 751.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,481.83 : 2,221.43 = 751.03 : x
2. Step 2: Convert to fraction form
   1,481.83/2,221.43 = 751.03/x
3. Step 3: Cross multiply
   1,481.83x = 2,221.43 × 751.03
4. Step 4: Simplify right side
   1,481.83x = 1,668,356.82
5. Step 5: Solve for x
   x = 1,668,356.82/1,481.83
6. Step 6: Final answer
   x = 1,125.88