Finding the Fourth Proportional to 10,937.22, 16,406.91 and 3,147.18

Step by Step Solution

1. Step 1: Write the proportion equation
   10,937.22 : 16,406.91 = 3,147.18 : x
2. Step 2: Convert to fraction form
   10,937.22/16,406.91 = 3,147.18/x
3. Step 3: Cross multiply
   10,937.22x = 16,406.91 × 3,147.18
4. Step 4: Simplify right side
   10,937.22x = 51,635,499.01
5. Step 5: Solve for x
   x = 51,635,499.01/10,937.22
6. Step 6: Final answer
   x = 4,721.08