Finding the Fourth Proportional to 1,448.37, 2,168.30 and 898.79

Step by Step Solution

1. Step 1: Write the proportion equation
   1,448.37 : 2,168.30 = 898.79 : x
2. Step 2: Convert to fraction form
   1,448.37/2,168.30 = 898.79/x
3. Step 3: Cross multiply
   1,448.37x = 2,168.30 × 898.79
4. Step 4: Simplify right side
   1,448.37x = 1,948,837.76
5. Step 5: Solve for x
   x = 1,948,837.76/1,448.37
6. Step 6: Final answer
   x = 1,345.54