Finding the Fourth Proportional to 31,957.81, 44,105.06 and 19,215.15

Step by Step Solution

1. Step 1: Write the proportion equation
   31,957.81 : 44,105.06 = 19,215.15 : x
2. Step 2: Convert to fraction form
   31,957.81/44,105.06 = 19,215.15/x
3. Step 3: Cross multiply
   31,957.81x = 44,105.06 × 19,215.15
4. Step 4: Simplify right side
   31,957.81x = 847,485,171.17
5. Step 5: Solve for x
   x = 847,485,171.17/31,957.81
6. Step 6: Final answer
   x = 26,518.88