Finding the Fourth Proportional to 2,017.32, 3,029.46 and 1,200.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,017.32 : 3,029.46 = 1,200.72 : x
2. Step 2: Convert to fraction form
   2,017.32/3,029.46 = 1,200.72/x
3. Step 3: Cross multiply
   2,017.32x = 3,029.46 × 1,200.72
4. Step 4: Simplify right side
   2,017.32x = 3,637,533.21
5. Step 5: Solve for x
   x = 3,637,533.21/2,017.32
6. Step 6: Final answer
   x = 1,803.15