Finding the Fourth Proportional to 1,446.53, 1,994.96 and 1,131.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,446.53 : 1,994.96 = 1,131.30 : x
2. Step 2: Convert to fraction form
   1,446.53/1,994.96 = 1,131.30/x
3. Step 3: Cross multiply
   1,446.53x = 1,994.96 × 1,131.30
4. Step 4: Simplify right side
   1,446.53x = 2,256,901.08
5. Step 5: Solve for x
   x = 2,256,901.08/1,446.53
6. Step 6: Final answer
   x = 1,560.22