Finding the Fourth Proportional to 1,423.71, 1,962.36 and 1,091.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,423.71 : 1,962.36 = 1,091.48 : x
2. Step 2: Convert to fraction form
   1,423.71/1,962.36 = 1,091.48/x
3. Step 3: Cross multiply
   1,423.71x = 1,962.36 × 1,091.48
4. Step 4: Simplify right side
   1,423.71x = 2,141,866.88
5. Step 5: Solve for x
   x = 2,141,866.88/1,423.71
6. Step 6: Final answer
   x = 1,504.43