Finding the Fourth Proportional to 10,729.50, 16,090.30 and 3,707.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,729.50 : 16,090.30 = 3,707.72 : x
2. Step 2: Convert to fraction form
   10,729.50/16,090.30 = 3,707.72/x
3. Step 3: Cross multiply
   10,729.50x = 16,090.30 × 3,707.72
4. Step 4: Simplify right side
   10,729.50x = 59,658,327.12
5. Step 5: Solve for x
   x = 59,658,327.12/10,729.50
6. Step 6: Final answer
   x = 5,560.22