Finding the Fourth Proportional to 3,462.72, 5,196.51 and 1,818.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,462.72 : 5,196.51 = 1,818.42 : x
2. Step 2: Convert to fraction form
   3,462.72/5,196.51 = 1,818.42/x
3. Step 3: Cross multiply
   3,462.72x = 5,196.51 × 1,818.42
4. Step 4: Simplify right side
   3,462.72x = 9,449,437.71
5. Step 5: Solve for x
   x = 9,449,437.71/3,462.72
6. Step 6: Final answer
   x = 2,728.91