Finding the Fourth Proportional to 200,375.47, 300,542.17 and 105,567.50

Step by Step Solution

1. Step 1: Write the proportion equation
   200,375.47 : 300,542.17 = 105,567.50 : x
2. Step 2: Convert to fraction form
   200,375.47/300,542.17 = 105,567.50/x
3. Step 3: Cross multiply
   200,375.47x = 300,542.17 × 105,567.50
4. Step 4: Simplify right side
   200,375.47x = 31,727,484,028.76
5. Step 5: Solve for x
   x = 31,727,484,028.76/200,375.47
6. Step 6: Final answer
   x = 158,340.16