Finding the Fourth Proportional to 206,300.32, 309,348.42 and 73,160.62

Step by Step Solution

1. Step 1: Write the proportion equation
   206,300.32 : 309,348.42 = 73,160.62 : x
2. Step 2: Convert to fraction form
   206,300.32/309,348.42 = 73,160.62/x
3. Step 3: Cross multiply
   206,300.32x = 309,348.42 × 73,160.62
4. Step 4: Simplify right side
   206,300.32x = 22,632,121,155.50
5. Step 5: Solve for x
   x = 22,632,121,155.50/206,300.32
6. Step 6: Final answer
   x = 109,704.73