Finding the Fourth Proportional to 5,131,819.38, 7,081,622.59 and 2,808,707.15

Step by Step Solution

1. Step 1: Write the proportion equation
   5,131,819.38 : 7,081,622.59 = 2,808,707.15 : x
2. Step 2: Convert to fraction form
   5,131,819.38/7,081,622.59 = 2,808,707.15/x
3. Step 3: Cross multiply
   5,131,819.38x = 7,081,622.59 × 2,808,707.15
4. Step 4: Simplify right side
   5,131,819.38x = 19,890,204,002,134.52
5. Step 5: Solve for x
   x = 19,890,204,002,134.52/5,131,819.38
6. Step 6: Final answer
   x = 3,875,858.16