Finding the Fourth Proportional to 1,900.18, 2,622.40 and 1,061.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,900.18 : 2,622.40 = 1,061.16 : x
2. Step 2: Convert to fraction form
   1,900.18/2,622.40 = 1,061.16/x
3. Step 3: Cross multiply
   1,900.18x = 2,622.40 × 1,061.16
4. Step 4: Simplify right side
   1,900.18x = 2,782,785.98
5. Step 5: Solve for x
   x = 2,782,785.98/1,900.18
6. Step 6: Final answer
   x = 1,464.49