Finding the Fourth Proportional to 3,274.72, 4,911.83 and 1,427.16

Step by Step Solution

1. Step 1: Write the proportion equation
   3,274.72 : 4,911.83 = 1,427.16 : x
2. Step 2: Convert to fraction form
   3,274.72/4,911.83 = 1,427.16/x
3. Step 3: Cross multiply
   3,274.72x = 4,911.83 × 1,427.16
4. Step 4: Simplify right side
   3,274.72x = 7,009,967.30
5. Step 5: Solve for x
   x = 7,009,967.30/3,274.72
6. Step 6: Final answer
   x = 2,140.63