Finding the Fourth Proportional to 2,742.29, 3,784.42 and 1,622.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,742.29 : 3,784.42 = 1,622.82 : x
2. Step 2: Convert to fraction form
   2,742.29/3,784.42 = 1,622.82/x
3. Step 3: Cross multiply
   2,742.29x = 3,784.42 × 1,622.82
4. Step 4: Simplify right side
   2,742.29x = 6,141,443.36
5. Step 5: Solve for x
   x = 6,141,443.36/2,742.29
6. Step 6: Final answer
   x = 2,239.53