Finding the Fourth Proportional to 6,845.60, 10,266.78 and 3,145.52

Step by Step Solution

1. Step 1: Write the proportion equation
   6,845.60 : 10,266.78 = 3,145.52 : x
2. Step 2: Convert to fraction form
   6,845.60/10,266.78 = 3,145.52/x
3. Step 3: Cross multiply
   6,845.60x = 10,266.78 × 3,145.52
4. Step 4: Simplify right side
   6,845.60x = 32,294,361.83
5. Step 5: Solve for x
   x = 32,294,361.83/6,845.60
6. Step 6: Final answer
   x = 4,717.54