Finding the Fourth Proportional to 2,014.04, 3,016.20 and 1,145.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,014.04 : 3,016.20 = 1,145.72 : x
2. Step 2: Convert to fraction form
   2,014.04/3,016.20 = 1,145.72/x
3. Step 3: Cross multiply
   2,014.04x = 3,016.20 × 1,145.72
4. Step 4: Simplify right side
   2,014.04x = 3,455,720.66
5. Step 5: Solve for x
   x = 3,455,720.66/2,014.04
6. Step 6: Final answer
   x = 1,715.82