Finding the Fourth Proportional to 6,711.30, 10,070.55 and 2,816.10

Step by Step Solution

1. Step 1: Write the proportion equation
   6,711.30 : 10,070.55 = 2,816.10 : x
2. Step 2: Convert to fraction form
   6,711.30/10,070.55 = 2,816.10/x
3. Step 3: Cross multiply
   6,711.30x = 10,070.55 × 2,816.10
4. Step 4: Simplify right side
   6,711.30x = 28,359,675.86
5. Step 5: Solve for x
   x = 28,359,675.86/6,711.30
6. Step 6: Final answer
   x = 4,225.66