Finding the Fourth Proportional to 3,712.57, 5,560.83 and 3,494.47

Step by Step Solution

1. Step 1: Write the proportion equation
   3,712.57 : 5,560.83 = 3,494.47 : x
2. Step 2: Convert to fraction form
   3,712.57/5,560.83 = 3,494.47/x
3. Step 3: Cross multiply
   3,712.57x = 5,560.83 × 3,494.47
4. Step 4: Simplify right side
   3,712.57x = 19,432,153.61
5. Step 5: Solve for x
   x = 19,432,153.61/3,712.57
6. Step 6: Final answer
   x = 5,234.15