Finding the Fourth Proportional to 1,483.92, 2,227.12 and 753.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,483.92 : 2,227.12 = 753.72 : x
2. Step 2: Convert to fraction form
   1,483.92/2,227.12 = 753.72/x
3. Step 3: Cross multiply
   1,483.92x = 2,227.12 × 753.72
4. Step 4: Simplify right side
   1,483.92x = 1,678,624.89
5. Step 5: Solve for x
   x = 1,678,624.89/1,483.92
6. Step 6: Final answer
   x = 1,131.21