Finding the Fourth Proportional to 82,173.08, 123,234.92 and 42,708.62

Step by Step Solution

1. Step 1: Write the proportion equation
   82,173.08 : 123,234.92 = 42,708.62 : x
2. Step 2: Convert to fraction form
   82,173.08/123,234.92 = 42,708.62/x
3. Step 3: Cross multiply
   82,173.08x = 123,234.92 × 42,708.62
4. Step 4: Simplify right side
   82,173.08x = 5,263,193,623.71
5. Step 5: Solve for x
   x = 5,263,193,623.71/82,173.08
6. Step 6: Final answer
   x = 64,050.09