Finding the Fourth Proportional to 2,259.34, 3,389.53 and 1,219.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,259.34 : 3,389.53 = 1,219.32 : x
2. Step 2: Convert to fraction form
   2,259.34/3,389.53 = 1,219.32/x
3. Step 3: Cross multiply
   2,259.34x = 3,389.53 × 1,219.32
4. Step 4: Simplify right side
   2,259.34x = 4,132,921.72
5. Step 5: Solve for x
   x = 4,132,921.72/2,259.34
6. Step 6: Final answer
   x = 1,829.26