Finding the Fourth Proportional to 1,426.47, 1,968.57 and 1,190.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,426.47 : 1,968.57 = 1,190.01 : x
2. Step 2: Convert to fraction form
   1,426.47/1,968.57 = 1,190.01/x
3. Step 3: Cross multiply
   1,426.47x = 1,968.57 × 1,190.01
4. Step 4: Simplify right side
   1,426.47x = 2,342,617.99
5. Step 5: Solve for x
   x = 2,342,617.99/1,426.47
6. Step 6: Final answer
   x = 1,642.25