Finding the Fourth Proportional to 6,469.76, 8,925.92 and 3,816.60

Step by Step Solution

1. Step 1: Write the proportion equation
   6,469.76 : 8,925.92 = 3,816.60 : x
2. Step 2: Convert to fraction form
   6,469.76/8,925.92 = 3,816.60/x
3. Step 3: Cross multiply
   6,469.76x = 8,925.92 × 3,816.60
4. Step 4: Simplify right side
   6,469.76x = 34,066,666.27
5. Step 5: Solve for x
   x = 34,066,666.27/6,469.76
6. Step 6: Final answer
   x = 5,265.52