Finding the Fourth Proportional to 150,828.83, 225,981.91 and 91,540.27

Step by Step Solution

1. Step 1: Write the proportion equation
   150,828.83 : 225,981.91 = 91,540.27 : x
2. Step 2: Convert to fraction form
   150,828.83/225,981.91 = 91,540.27/x
3. Step 3: Cross multiply
   150,828.83x = 225,981.91 × 91,540.27
4. Step 4: Simplify right side
   150,828.83x = 20,686,445,056.52
5. Step 5: Solve for x
   x = 20,686,445,056.52/150,828.83
6. Step 6: Final answer
   x = 137,151.80