Finding the Fourth Proportional to 1,422.04, 1,960.73 and 974.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,422.04 : 1,960.73 = 974.12 : x
2. Step 2: Convert to fraction form
   1,422.04/1,960.73 = 974.12/x
3. Step 3: Cross multiply
   1,422.04x = 1,960.73 × 974.12
4. Step 4: Simplify right side
   1,422.04x = 1,909,986.31
5. Step 5: Solve for x
   x = 1,909,986.31/1,422.04
6. Step 6: Final answer
   x = 1,343.14