Finding the Fourth Proportional to 1,912.28, 2,641.42 and 1,475.58

Step by Step Solution

1. Step 1: Write the proportion equation
   1,912.28 : 2,641.42 = 1,475.58 : x
2. Step 2: Convert to fraction form
   1,912.28/2,641.42 = 1,475.58/x
3. Step 3: Cross multiply
   1,912.28x = 2,641.42 × 1,475.58
4. Step 4: Simplify right side
   1,912.28x = 3,897,626.52
5. Step 5: Solve for x
   x = 3,897,626.52/1,912.28
6. Step 6: Final answer
   x = 2,038.21