Finding the Fourth Proportional to 3,693.62, 5,538.81 and 1,383.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,693.62 : 5,538.81 = 1,383.50 : x
2. Step 2: Convert to fraction form
   3,693.62/5,538.81 = 1,383.50/x
3. Step 3: Cross multiply
   3,693.62x = 5,538.81 × 1,383.50
4. Step 4: Simplify right side
   3,693.62x = 7,662,936.72
5. Step 5: Solve for x
   x = 7,662,936.72/3,693.62
6. Step 6: Final answer
   x = 2,074.64