Finding the Fourth Proportional to 7,327.26, 10,111.61 and 3,970.16

Step by Step Solution

1. Step 1: Write the proportion equation
   7,327.26 : 10,111.61 = 3,970.16 : x
2. Step 2: Convert to fraction form
   7,327.26/10,111.61 = 3,970.16/x
3. Step 3: Cross multiply
   7,327.26x = 10,111.61 × 3,970.16
4. Step 4: Simplify right side
   7,327.26x = 40,144,709.56
5. Step 5: Solve for x
   x = 40,144,709.56/7,327.26
6. Step 6: Final answer
   x = 5,478.82