Finding the Fourth Proportional to 1,405.42, 1,937.96 and 962.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,405.42 : 1,937.96 = 962.62 : x
2. Step 2: Convert to fraction form
   1,405.42/1,937.96 = 962.62/x
3. Step 3: Cross multiply
   1,405.42x = 1,937.96 × 962.62
4. Step 4: Simplify right side
   1,405.42x = 1,865,519.06
5. Step 5: Solve for x
   x = 1,865,519.06/1,405.42
6. Step 6: Final answer
   x = 1,327.37