Finding the Fourth Proportional to 200,401.89, 300,622.56 and 58,248.42

Step by Step Solution

1. Step 1: Write the proportion equation
   200,401.89 : 300,622.56 = 58,248.42 : x
2. Step 2: Convert to fraction form
   200,401.89/300,622.56 = 58,248.42/x
3. Step 3: Cross multiply
   200,401.89x = 300,622.56 × 58,248.42
4. Step 4: Simplify right side
   200,401.89x = 17,510,789,136.36
5. Step 5: Solve for x
   x = 17,510,789,136.36/200,401.89
6. Step 6: Final answer
   x = 87,378.36