Finding the Fourth Proportional to 147,951.89, 204,169.50 and 83,420.56

Step by Step Solution

1. Step 1: Write the proportion equation
   147,951.89 : 204,169.50 = 83,420.56 : x
2. Step 2: Convert to fraction form
   147,951.89/204,169.50 = 83,420.56/x
3. Step 3: Cross multiply
   147,951.89x = 204,169.50 × 83,420.56
4. Step 4: Simplify right side
   147,951.89x = 17,031,934,024.92
5. Step 5: Solve for x
   x = 17,031,934,024.92/147,951.89
6. Step 6: Final answer
   x = 115,118.06