Finding the Fourth Proportional to 1,447.52, 2,168.48 and 899.92

Step by Step Solution

1. Step 1: Write the proportion equation
   1,447.52 : 2,168.48 = 899.92 : x
2. Step 2: Convert to fraction form
   1,447.52/2,168.48 = 899.92/x
3. Step 3: Cross multiply
   1,447.52x = 2,168.48 × 899.92
4. Step 4: Simplify right side
   1,447.52x = 1,951,458.52
5. Step 5: Solve for x
   x = 1,951,458.52/1,447.52
6. Step 6: Final answer
   x = 1,348.14