Finding the Fourth Proportional to 31,409.37, 43,325.55 and 22,441.25

Step by Step Solution

1. Step 1: Write the proportion equation
   31,409.37 : 43,325.55 = 22,441.25 : x
2. Step 2: Convert to fraction form
   31,409.37/43,325.55 = 22,441.25/x
3. Step 3: Cross multiply
   31,409.37x = 43,325.55 × 22,441.25
4. Step 4: Simplify right side
   31,409.37x = 972,279,607.25
5. Step 5: Solve for x
   x = 972,279,607.25/31,409.37
6. Step 6: Final answer
   x = 30,955.08