Finding the Fourth Proportional to 1,365.30, 1,884.24 and 993.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,365.30 : 1,884.24 = 993.42 : x
2. Step 2: Convert to fraction form
   1,365.30/1,884.24 = 993.42/x
3. Step 3: Cross multiply
   1,365.30x = 1,884.24 × 993.42
4. Step 4: Simplify right side
   1,365.30x = 1,871,841.70
5. Step 5: Solve for x
   x = 1,871,841.70/1,365.30
6. Step 6: Final answer
   x = 1,371.01