Finding the Fourth Proportional to 1,403.93, 1,937.72 and 962.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,403.93 : 1,937.72 = 962.42 : x
2. Step 2: Convert to fraction form
   1,403.93/1,937.72 = 962.42/x
3. Step 3: Cross multiply
   1,403.93x = 1,937.72 × 962.42
4. Step 4: Simplify right side
   1,403.93x = 1,864,893.20
5. Step 5: Solve for x
   x = 1,864,893.20/1,403.93
6. Step 6: Final answer
   x = 1,328.34