Finding the Fourth Proportional to 1,426.46, 1,968.76 and 1,190.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,426.46 : 1,968.76 = 1,190.03 : x
2. Step 2: Convert to fraction form
   1,426.46/1,968.76 = 1,190.03/x
3. Step 3: Cross multiply
   1,426.46x = 1,968.76 × 1,190.03
4. Step 4: Simplify right side
   1,426.46x = 2,342,876.72
5. Step 5: Solve for x
   x = 2,342,876.72/1,426.46
6. Step 6: Final answer
   x = 1,642.44