Finding the Fourth Proportional to 3,747.89, 5,622.51 and 1,556.78

Step by Step Solution

1. Step 1: Write the proportion equation
   3,747.89 : 5,622.51 = 1,556.78 : x
2. Step 2: Convert to fraction form
   3,747.89/5,622.51 = 1,556.78/x
3. Step 3: Cross multiply
   3,747.89x = 5,622.51 × 1,556.78
4. Step 4: Simplify right side
   3,747.89x = 8,753,025.17
5. Step 5: Solve for x
   x = 8,753,025.17/3,747.89
6. Step 6: Final answer
   x = 2,335.46