Finding the Fourth Proportional to 2,588.18, 3,883.90 and 1,356.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,588.18 : 3,883.90 = 1,356.47 : x
2. Step 2: Convert to fraction form
   2,588.18/3,883.90 = 1,356.47/x
3. Step 3: Cross multiply
   2,588.18x = 3,883.90 × 1,356.47
4. Step 4: Simplify right side
   2,588.18x = 5,268,399.05
5. Step 5: Solve for x
   x = 5,268,399.05/2,588.18
6. Step 6: Final answer
   x = 2,035.56