Finding the Fourth Proportional to 147,459.72, 203,494.50 and 80,391.72

Step by Step Solution

1. Step 1: Write the proportion equation
   147,459.72 : 203,494.50 = 80,391.72 : x
2. Step 2: Convert to fraction form
   147,459.72/203,494.50 = 80,391.72/x
3. Step 3: Cross multiply
   147,459.72x = 203,494.50 × 80,391.72
4. Step 4: Simplify right side
   147,459.72x = 16,359,272,865.54
5. Step 5: Solve for x
   x = 16,359,272,865.54/147,459.72
6. Step 6: Final answer
   x = 110,940.62