Finding the Fourth Proportional to 1,447.26, 1,994.89 and 1,131.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,447.26 : 1,994.89 = 1,131.98 : x
2. Step 2: Convert to fraction form
   1,447.26/1,994.89 = 1,131.98/x
3. Step 3: Cross multiply
   1,447.26x = 1,994.89 × 1,131.98
4. Step 4: Simplify right side
   1,447.26x = 2,258,175.58
5. Step 5: Solve for x
   x = 2,258,175.58/1,447.26
6. Step 6: Final answer
   x = 1,560.31