Finding the Fourth Proportional to 6,777.76, 10,173.06 and 3,493.12

Step by Step Solution

1. Step 1: Write the proportion equation
   6,777.76 : 10,173.06 = 3,493.12 : x
2. Step 2: Convert to fraction form
   6,777.76/10,173.06 = 3,493.12/x
3. Step 3: Cross multiply
   6,777.76x = 10,173.06 × 3,493.12
4. Step 4: Simplify right side
   6,777.76x = 35,535,719.35
5. Step 5: Solve for x
   x = 35,535,719.35/6,777.76
6. Step 6: Final answer
   x = 5,242.99