Finding the Fourth Proportional to 200,700.99, 300,964.01 and 67,545.50

Step by Step Solution

1. Step 1: Write the proportion equation
   200,700.99 : 300,964.01 = 67,545.50 : x
2. Step 2: Convert to fraction form
   200,700.99/300,964.01 = 67,545.50/x
3. Step 3: Cross multiply
   200,700.99x = 300,964.01 × 67,545.50
4. Step 4: Simplify right side
   200,700.99x = 20,328,762,694.91
5. Step 5: Solve for x
   x = 20,328,762,694.91/200,700.99
6. Step 6: Final answer
   x = 101,288.80