Finding the Fourth Proportional to 6,928.66, 9,561.34 and 3,784.86

Step by Step Solution

1. Step 1: Write the proportion equation
   6,928.66 : 9,561.34 = 3,784.86 : x
2. Step 2: Convert to fraction form
   6,928.66/9,561.34 = 3,784.86/x
3. Step 3: Cross multiply
   6,928.66x = 9,561.34 × 3,784.86
4. Step 4: Simplify right side
   6,928.66x = 36,188,333.31
5. Step 5: Solve for x
   x = 36,188,333.31/6,928.66
6. Step 6: Final answer
   x = 5,222.99