Finding the Fourth Proportional to 1,174.52, 1,621.56 and 755.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,174.52 : 1,621.56 = 755.48 : x
2. Step 2: Convert to fraction form
   1,174.52/1,621.56 = 755.48/x
3. Step 3: Cross multiply
   1,174.52x = 1,621.56 × 755.48
4. Step 4: Simplify right side
   1,174.52x = 1,225,056.15
5. Step 5: Solve for x
   x = 1,225,056.15/1,174.52
6. Step 6: Final answer
   x = 1,043.03