Finding the Fourth Proportional to 1,425.27, 1,967.31 and 901.65

Step by Step Solution

1. Step 1: Write the proportion equation
   1,425.27 : 1,967.31 = 901.65 : x
2. Step 2: Convert to fraction form
   1,425.27/1,967.31 = 901.65/x
3. Step 3: Cross multiply
   1,425.27x = 1,967.31 × 901.65
4. Step 4: Simplify right side
   1,425.27x = 1,773,825.06
5. Step 5: Solve for x
   x = 1,773,825.06/1,425.27
6. Step 6: Final answer
   x = 1,244.55