Finding the Fourth Proportional to 6,756,854.72, 9,321,864.96 and 3,856,406.72

Step by Step Solution

1. Step 1: Write the proportion equation
   6,756,854.72 : 9,321,864.96 = 3,856,406.72 : x
2. Step 2: Convert to fraction form
   6,756,854.72/9,321,864.96 = 3,856,406.72/x
3. Step 3: Cross multiply
   6,756,854.72x = 9,321,864.96 × 3,856,406.72
4. Step 4: Simplify right side
   6,756,854.72x = 35,948,902,674,676.54
5. Step 5: Solve for x
   x = 35,948,902,674,676.54/6,756,854.72
6. Step 6: Final answer
   x = 5,320,360.46