Finding the Fourth Proportional to 10,288,563.90, 14,198,856.42 and 5,704,885.28

Step by Step Solution

1. Step 1: Write the proportion equation
   10,288,563.90 : 14,198,856.42 = 5,704,885.28 : x
2. Step 2: Convert to fraction form
   10,288,563.90/14,198,856.42 = 5,704,885.28/x
3. Step 3: Cross multiply
   10,288,563.90x = 14,198,856.42 × 5,704,885.28
4. Step 4: Simplify right side
   10,288,563.90x = 81,002,846,983,291.50
5. Step 5: Solve for x
   x = 81,002,846,983,291.50/10,288,563.90
6. Step 6: Final answer
   x = 7,873,095.58