Finding the Fourth Proportional to 2,274.72, 3,411.24 and 1,788.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,274.72 : 3,411.24 = 1,788.72 : x
2. Step 2: Convert to fraction form
   2,274.72/3,411.24 = 1,788.72/x
3. Step 3: Cross multiply
   2,274.72x = 3,411.24 × 1,788.72
4. Step 4: Simplify right side
   2,274.72x = 6,101,753.21
5. Step 5: Solve for x
   x = 6,101,753.21/2,274.72
6. Step 6: Final answer
   x = 2,682.42