Finding the Fourth Proportional to 7,191.27, 10,788.24 and 2,808.46

Step by Step Solution

1. Step 1: Write the proportion equation
   7,191.27 : 10,788.24 = 2,808.46 : x
2. Step 2: Convert to fraction form
   7,191.27/10,788.24 = 2,808.46/x
3. Step 3: Cross multiply
   7,191.27x = 10,788.24 × 2,808.46
4. Step 4: Simplify right side
   7,191.27x = 30,298,340.51
5. Step 5: Solve for x
   x = 30,298,340.51/7,191.27
6. Step 6: Final answer
   x = 4,213.21