Finding the Fourth Proportional to 109,358.56, 150,914.81 and 59,057.56

Step by Step Solution

1. Step 1: Write the proportion equation
   109,358.56 : 150,914.81 = 59,057.56 : x
2. Step 2: Convert to fraction form
   109,358.56/150,914.81 = 59,057.56/x
3. Step 3: Cross multiply
   109,358.56x = 150,914.81 × 59,057.56
4. Step 4: Simplify right side
   109,358.56x = 8,912,660,446.46
5. Step 5: Solve for x
   x = 8,912,660,446.46/109,358.56
6. Step 6: Final answer
   x = 81,499.43