Finding the Fourth Proportional to 7,322.58, 10,105.08 and 3,965.31

Step by Step Solution

1. Step 1: Write the proportion equation
   7,322.58 : 10,105.08 = 3,965.31 : x
2. Step 2: Convert to fraction form
   7,322.58/10,105.08 = 3,965.31/x
3. Step 3: Cross multiply
   7,322.58x = 10,105.08 × 3,965.31
4. Step 4: Simplify right side
   7,322.58x = 40,069,774.77
5. Step 5: Solve for x
   x = 40,069,774.77/7,322.58
6. Step 6: Final answer
   x = 5,472.08