Finding the Fourth Proportional to 1,361.33, 2,039.32 and 897.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,361.33 : 2,039.32 = 897.69 : x
2. Step 2: Convert to fraction form
   1,361.33/2,039.32 = 897.69/x
3. Step 3: Cross multiply
   1,361.33x = 2,039.32 × 897.69
4. Step 4: Simplify right side
   1,361.33x = 1,830,682.57
5. Step 5: Solve for x
   x = 1,830,682.57/1,361.33
6. Step 6: Final answer
   x = 1,344.78