Finding the Fourth Proportional to 147,019.86, 220,657.83 and 83,966.22

Step by Step Solution

1. Step 1: Write the proportion equation
   147,019.86 : 220,657.83 = 83,966.22 : x
2. Step 2: Convert to fraction form
   147,019.86/220,657.83 = 83,966.22/x
3. Step 3: Cross multiply
   147,019.86x = 220,657.83 × 83,966.22
4. Step 4: Simplify right side
   147,019.86x = 18,527,803,898.50
5. Step 5: Solve for x
   x = 18,527,803,898.50/147,019.86
6. Step 6: Final answer
   x = 126,022.46