Finding the Fourth Proportional to 1,900.81, 2,622.50 and 1,061.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,900.81 : 2,622.50 = 1,061.38 : x
2. Step 2: Convert to fraction form
   1,900.81/2,622.50 = 1,061.38/x
3. Step 3: Cross multiply
   1,900.81x = 2,622.50 × 1,061.38
4. Step 4: Simplify right side
   1,900.81x = 2,783,450.63
5. Step 5: Solve for x
   x = 2,783,450.63/1,900.81
6. Step 6: Final answer
   x = 1,464.35