Finding the Fourth Proportional to 158,803.50, 219,168.27 and 91,735.50

Step by Step Solution

1. Step 1: Write the proportion equation
   158,803.50 : 219,168.27 = 91,735.50 : x
2. Step 2: Convert to fraction form
   158,803.50/219,168.27 = 91,735.50/x
3. Step 3: Cross multiply
   158,803.50x = 219,168.27 × 91,735.50
4. Step 4: Simplify right side
   158,803.50x = 20,105,510,832.59
5. Step 5: Solve for x
   x = 20,105,510,832.59/158,803.50
6. Step 6: Final answer
   x = 126,606.22