Finding the Fourth Proportional to 6,700.55, 10,056.27 and 2,807.69

Step by Step Solution

1. Step 1: Write the proportion equation
   6,700.55 : 10,056.27 = 2,807.69 : x
2. Step 2: Convert to fraction form
   6,700.55/10,056.27 = 2,807.69/x
3. Step 3: Cross multiply
   6,700.55x = 10,056.27 × 2,807.69
4. Step 4: Simplify right side
   6,700.55x = 28,234,838.43
5. Step 5: Solve for x
   x = 28,234,838.43/6,700.55
6. Step 6: Final answer
   x = 4,213.81