Finding the Fourth Proportional to 200,819.16, 301,044.42 and 69,399

Step by Step Solution

1. Step 1: Write the proportion equation
   200,819.16 : 301,044.42 = 69,399 : x
2. Step 2: Convert to fraction form
   200,819.16/301,044.42 = 69,399/x
3. Step 3: Cross multiply
   200,819.16x = 301,044.42 × 69,399
4. Step 4: Simplify right side
   200,819.16x = 20,892,181,703.58
5. Step 5: Solve for x
   x = 20,892,181,703.58/200,819.16
6. Step 6: Final answer
   x = 104,034.80