Finding the Fourth Proportional to 1,900.61, 2,622.97 and 1,061.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,900.61 : 2,622.97 = 1,061.31 : x
2. Step 2: Convert to fraction form
   1,900.61/2,622.97 = 1,061.31/x
3. Step 3: Cross multiply
   1,900.61x = 2,622.97 × 1,061.31
4. Step 4: Simplify right side
   1,900.61x = 2,783,784.29
5. Step 5: Solve for x
   x = 2,783,784.29/1,900.61
6. Step 6: Final answer
   x = 1,464.68