Finding the Fourth Proportional to 1,019.41, 1,526.22 and 671.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,019.41 : 1,526.22 = 671.69 : x
2. Step 2: Convert to fraction form
   1,019.41/1,526.22 = 671.69/x
3. Step 3: Cross multiply
   1,019.41x = 1,526.22 × 671.69
4. Step 4: Simplify right side
   1,019.41x = 1,025,150.53
5. Step 5: Solve for x
   x = 1,025,150.53/1,019.41
6. Step 6: Final answer
   x = 1,005.63