Finding the Fourth Proportional to 200,404.79, 300,621.78 and 67,283.93

Step by Step Solution

1. Step 1: Write the proportion equation
   200,404.79 : 300,621.78 = 67,283.93 : x
2. Step 2: Convert to fraction form
   200,404.79/300,621.78 = 67,283.93/x
3. Step 3: Cross multiply
   200,404.79x = 300,621.78 × 67,283.93
4. Step 4: Simplify right side
   200,404.79x = 20,227,014,802.00
5. Step 5: Solve for x
   x = 20,227,014,802.00/200,404.79
6. Step 6: Final answer
   x = 100,930.80