Finding the Fourth Proportional to 1,300.56, 1,951.46 and 753.21

Step by Step Solution

1. Step 1: Write the proportion equation
   1,300.56 : 1,951.46 = 753.21 : x
2. Step 2: Convert to fraction form
   1,300.56/1,951.46 = 753.21/x
3. Step 3: Cross multiply
   1,300.56x = 1,951.46 × 753.21
4. Step 4: Simplify right side
   1,300.56x = 1,469,855.42
5. Step 5: Solve for x
   x = 1,469,855.42/1,300.56
6. Step 6: Final answer
   x = 1,130.17