Finding the Fourth Proportional to 3,447.31, 5,167.94 and 1,368.78

Step by Step Solution

1. Step 1: Write the proportion equation
   3,447.31 : 5,167.94 = 1,368.78 : x
2. Step 2: Convert to fraction form
   3,447.31/5,167.94 = 1,368.78/x
3. Step 3: Cross multiply
   3,447.31x = 5,167.94 × 1,368.78
4. Step 4: Simplify right side
   3,447.31x = 7,073,772.91
5. Step 5: Solve for x
   x = 7,073,772.91/3,447.31
6. Step 6: Final answer
   x = 2,051.97