Finding the Fourth Proportional to 200,783, 301,191.78 and 53,039

Step by Step Solution

1. Step 1: Write the proportion equation
   200,783 : 301,191.78 = 53,039 : x
2. Step 2: Convert to fraction form
   200,783/301,191.78 = 53,039/x
3. Step 3: Cross multiply
   200,783x = 301,191.78 × 53,039
4. Step 4: Simplify right side
   200,783x = 15,974,910,819.42
5. Step 5: Solve for x
   x = 15,974,910,819.42/200,783
6. Step 6: Final answer
   x = 79,563.06