Finding the Fourth Proportional to 3,937.78, 5,889.03 and 3,501.73

Step by Step Solution

1. Step 1: Write the proportion equation
   3,937.78 : 5,889.03 = 3,501.73 : x
2. Step 2: Convert to fraction form
   3,937.78/5,889.03 = 3,501.73/x
3. Step 3: Cross multiply
   3,937.78x = 5,889.03 × 3,501.73
4. Step 4: Simplify right side
   3,937.78x = 20,621,793.02
5. Step 5: Solve for x
   x = 20,621,793.02/3,937.78
6. Step 6: Final answer
   x = 5,236.91