Finding the Fourth Proportional to 2,847.34, 4,268.58 and 1,115.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,847.34 : 4,268.58 = 1,115.56 : x
2. Step 2: Convert to fraction form
   2,847.34/4,268.58 = 1,115.56/x
3. Step 3: Cross multiply
   2,847.34x = 4,268.58 × 1,115.56
4. Step 4: Simplify right side
   2,847.34x = 4,761,857.10
5. Step 5: Solve for x
   x = 4,761,857.10/2,847.34
6. Step 6: Final answer
   x = 1,672.39