Finding the Fourth Proportional to 5,215,667.73, 7,198,063.56 and 2,893,308.51

Step by Step Solution

1. Step 1: Write the proportion equation
   5,215,667.73 : 7,198,063.56 = 2,893,308.51 : x
2. Step 2: Convert to fraction form
   5,215,667.73/7,198,063.56 = 2,893,308.51/x
3. Step 3: Cross multiply
   5,215,667.73x = 7,198,063.56 × 2,893,308.51
4. Step 4: Simplify right side
   5,215,667.73x = 20,826,218,553,668.89
5. Step 5: Solve for x
   x = 20,826,218,553,668.89/5,215,667.73
6. Step 6: Final answer
   x = 3,993,010.99