Finding the Fourth Proportional to 1,446.77, 1,997.42 and 1,114.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,446.77 : 1,997.42 = 1,114.55 : x
2. Step 2: Convert to fraction form
   1,446.77/1,997.42 = 1,114.55/x
3. Step 3: Cross multiply
   1,446.77x = 1,997.42 × 1,114.55
4. Step 4: Simplify right side
   1,446.77x = 2,226,208.90
5. Step 5: Solve for x
   x = 2,226,208.90/1,446.77
6. Step 6: Final answer
   x = 1,538.75