Finding the Fourth Proportional to 1,401.27, 2,106.54 and 993.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,401.27 : 2,106.54 = 993.33 : x
2. Step 2: Convert to fraction form
   1,401.27/2,106.54 = 993.33/x
3. Step 3: Cross multiply
   1,401.27x = 2,106.54 × 993.33
4. Step 4: Simplify right side
   1,401.27x = 2,092,489.38
5. Step 5: Solve for x
   x = 2,092,489.38/1,401.27
6. Step 6: Final answer
   x = 1,493.28