Finding the Fourth Proportional to 150,756.06, 225,867.98 and 91,471.34

Step by Step Solution

1. Step 1: Write the proportion equation
   150,756.06 : 225,867.98 = 91,471.34 : x
2. Step 2: Convert to fraction form
   150,756.06/225,867.98 = 91,471.34/x
3. Step 3: Cross multiply
   150,756.06x = 225,867.98 × 91,471.34
4. Step 4: Simplify right side
   150,756.06x = 20,660,446,793.69
5. Step 5: Solve for x
   x = 20,660,446,793.69/150,756.06
6. Step 6: Final answer
   x = 137,045.55