Finding the Fourth Proportional to 1,425.56, 1,966.80 and 901.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,425.56 : 1,966.80 = 901.52 : x
2. Step 2: Convert to fraction form
   1,425.56/1,966.80 = 901.52/x
3. Step 3: Cross multiply
   1,425.56x = 1,966.80 × 901.52
4. Step 4: Simplify right side
   1,425.56x = 1,773,109.54
5. Step 5: Solve for x
   x = 1,773,109.54/1,425.56
6. Step 6: Final answer
   x = 1,243.80