Finding the Fourth Proportional to 1,900.45, 2,622.51 and 1,061.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,900.45 : 2,622.51 = 1,061.12 : x
2. Step 2: Convert to fraction form
   1,900.45/2,622.51 = 1,061.12/x
3. Step 3: Cross multiply
   1,900.45x = 2,622.51 × 1,061.12
4. Step 4: Simplify right side
   1,900.45x = 2,782,797.81
5. Step 5: Solve for x
   x = 2,782,797.81/1,900.45
6. Step 6: Final answer
   x = 1,464.29