Finding the Fourth Proportional to 2,289.60, 3,435.72 and 1,367.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,289.60 : 3,435.72 = 1,367.40 : x
2. Step 2: Convert to fraction form
   2,289.60/3,435.72 = 1,367.40/x
3. Step 3: Cross multiply
   2,289.60x = 3,435.72 × 1,367.40
4. Step 4: Simplify right side
   2,289.60x = 4,698,003.53
5. Step 5: Solve for x
   x = 4,698,003.53/2,289.60
6. Step 6: Final answer
   x = 2,051.89