Finding the Fourth Proportional to 31,856.96, 43,963.62 and 19,105.76

Step by Step Solution

1. Step 1: Write the proportion equation
   31,856.96 : 43,963.62 = 19,105.76 : x
2. Step 2: Convert to fraction form
   31,856.96/43,963.62 = 19,105.76/x
3. Step 3: Cross multiply
   31,856.96x = 43,963.62 × 19,105.76
4. Step 4: Simplify right side
   31,856.96x = 839,958,372.45
5. Step 5: Solve for x
   x = 839,958,372.45/31,856.96
6. Step 6: Final answer
   x = 26,366.56