Finding the Fourth Proportional to 2,053.56, 3,078.50 and 754.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,053.56 : 3,078.50 = 754.12 : x
2. Step 2: Convert to fraction form
   2,053.56/3,078.50 = 754.12/x
3. Step 3: Cross multiply
   2,053.56x = 3,078.50 × 754.12
4. Step 4: Simplify right side
   2,053.56x = 2,321,558.42
5. Step 5: Solve for x
   x = 2,321,558.42/2,053.56
6. Step 6: Final answer
   x = 1,130.50