Finding the Fourth Proportional to 1,412.97, 1,948.41 and 993.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,412.97 : 1,948.41 = 993.18 : x
2. Step 2: Convert to fraction form
   1,412.97/1,948.41 = 993.18/x
3. Step 3: Cross multiply
   1,412.97x = 1,948.41 × 993.18
4. Step 4: Simplify right side
   1,412.97x = 1,935,121.84
5. Step 5: Solve for x
   x = 1,935,121.84/1,412.97
6. Step 6: Final answer
   x = 1,369.54