Finding the Fourth Proportional to 5,215,665.10, 7,198,048.72 and 2,893,306.37

Step by Step Solution

1. Step 1: Write the proportion equation
   5,215,665.10 : 7,198,048.72 = 2,893,306.37 : x
2. Step 2: Convert to fraction form
   5,215,665.10/7,198,048.72 = 2,893,306.37/x
3. Step 3: Cross multiply
   5,215,665.10x = 7,198,048.72 × 2,893,306.37
4. Step 4: Simplify right side
   5,215,665.10x = 20,826,160,213,146.35
5. Step 5: Solve for x
   x = 20,826,160,213,146.35/5,215,665.10
6. Step 6: Final answer
   x = 3,993,001.82