Finding the Fourth Proportional to 1,900.45, 2,622.81 and 1,114.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,900.45 : 2,622.81 = 1,114.48 : x
2. Step 2: Convert to fraction form
   1,900.45/2,622.81 = 1,114.48/x
3. Step 3: Cross multiply
   1,900.45x = 2,622.81 × 1,114.48
4. Step 4: Simplify right side
   1,900.45x = 2,923,069.29
5. Step 5: Solve for x
   x = 2,923,069.29/1,900.45
6. Step 6: Final answer
   x = 1,538.09