Finding the Fourth Proportional to 10,928,613.86, 16,391,797.45 and 3,641,286.56

Step by Step Solution

1. Step 1: Write the proportion equation
   10,928,613.86 : 16,391,797.45 = 3,641,286.56 : x
2. Step 2: Convert to fraction form
   10,928,613.86/16,391,797.45 = 3,641,286.56/x
3. Step 3: Cross multiply
   10,928,613.86x = 16,391,797.45 × 3,641,286.56
4. Step 4: Simplify right side
   10,928,613.86x = 59,687,231,780,803.55
5. Step 5: Solve for x
   x = 59,687,231,780,803.55/10,928,613.86
6. Step 6: Final answer
   x = 5,461,555.56