Finding the Fourth Proportional to 1,424.56, 1,965.42 and 900.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,424.56 : 1,965.42 = 900.52 : x
2. Step 2: Convert to fraction form
   1,424.56/1,965.42 = 900.52/x
3. Step 3: Cross multiply
   1,424.56x = 1,965.42 × 900.52
4. Step 4: Simplify right side
   1,424.56x = 1,769,900.02
5. Step 5: Solve for x
   x = 1,769,900.02/1,424.56
6. Step 6: Final answer
   x = 1,242.42