Finding the Fourth Proportional to 147,564.89, 220,196.44 and 131,660.59

Step by Step Solution

1. Step 1: Write the proportion equation
   147,564.89 : 220,196.44 = 131,660.59 : x
2. Step 2: Convert to fraction form
   147,564.89/220,196.44 = 131,660.59/x
3. Step 3: Cross multiply
   147,564.89x = 220,196.44 × 131,660.59
4. Step 4: Simplify right side
   147,564.89x = 28,991,194,162.21
5. Step 5: Solve for x
   x = 28,991,194,162.21/147,564.89
6. Step 6: Final answer
   x = 196,464.03