Finding the Fourth Proportional to 7,327.96, 10,112.56 and 3,970.86

Step by Step Solution

1. Step 1: Write the proportion equation
   7,327.96 : 10,112.56 = 3,970.86 : x
2. Step 2: Convert to fraction form
   7,327.96/10,112.56 = 3,970.86/x
3. Step 3: Cross multiply
   7,327.96x = 10,112.56 × 3,970.86
4. Step 4: Simplify right side
   7,327.96x = 40,155,560.00
5. Step 5: Solve for x
   x = 40,155,560.00/7,327.96
6. Step 6: Final answer
   x = 5,479.77