Finding the Fourth Proportional to 2,213.55, 3,317.76 and 1,588.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,213.55 : 3,317.76 = 1,588.14 : x
2. Step 2: Convert to fraction form
   2,213.55/3,317.76 = 1,588.14/x
3. Step 3: Cross multiply
   2,213.55x = 3,317.76 × 1,588.14
4. Step 4: Simplify right side
   2,213.55x = 5,269,067.37
5. Step 5: Solve for x
   x = 5,269,067.37/2,213.55
6. Step 6: Final answer
   x = 2,380.37