Finding the Fourth Proportional to 1,424.76, 1,967.40 and 1,052.39

Step by Step Solution

1. Step 1: Write the proportion equation
   1,424.76 : 1,967.40 = 1,052.39 : x
2. Step 2: Convert to fraction form
   1,424.76/1,967.40 = 1,052.39/x
3. Step 3: Cross multiply
   1,424.76x = 1,967.40 × 1,052.39
4. Step 4: Simplify right side
   1,424.76x = 2,070,462.25
5. Step 5: Solve for x
   x = 2,070,462.25/1,424.76
6. Step 6: Final answer
   x = 1,453.20