Finding the Fourth Proportional to 1,483.80, 2,227.09 and 753.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,483.80 : 2,227.09 = 753.89 : x
2. Step 2: Convert to fraction form
   1,483.80/2,227.09 = 753.89/x
3. Step 3: Cross multiply
   1,483.80x = 2,227.09 × 753.89
4. Step 4: Simplify right side
   1,483.80x = 1,678,980.88
5. Step 5: Solve for x
   x = 1,678,980.88/1,483.80
6. Step 6: Final answer
   x = 1,131.54