Finding the Fourth Proportional to 31,179.24, 43,063.02 and 22,719.30

Step by Step Solution

1. Step 1: Write the proportion equation
   31,179.24 : 43,063.02 = 22,719.30 : x
2. Step 2: Convert to fraction form
   31,179.24/43,063.02 = 22,719.30/x
3. Step 3: Cross multiply
   31,179.24x = 43,063.02 × 22,719.30
4. Step 4: Simplify right side
   31,179.24x = 978,361,670.29
5. Step 5: Solve for x
   x = 978,361,670.29/31,179.24
6. Step 6: Final answer
   x = 31,378.62