Finding the Fourth Proportional to 1,635.09, 2,448.72 and 893.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,635.09 : 2,448.72 = 893.59 : x
2. Step 2: Convert to fraction form
   1,635.09/2,448.72 = 893.59/x
3. Step 3: Cross multiply
   1,635.09x = 2,448.72 × 893.59
4. Step 4: Simplify right side
   1,635.09x = 2,188,145.58
5. Step 5: Solve for x
   x = 2,188,145.58/1,635.09
6. Step 6: Final answer
   x = 1,338.24