Finding the Fourth Proportional to 3,146.32, 4,721.44 and 1,200.16

Step by Step Solution

1. Step 1: Write the proportion equation
   3,146.32 : 4,721.44 = 1,200.16 : x
2. Step 2: Convert to fraction form
   3,146.32/4,721.44 = 1,200.16/x
3. Step 3: Cross multiply
   3,146.32x = 4,721.44 × 1,200.16
4. Step 4: Simplify right side
   3,146.32x = 5,666,483.43
5. Step 5: Solve for x
   x = 5,666,483.43/3,146.32
6. Step 6: Final answer
   x = 1,800.99