Finding the Fourth Proportional to 3,693.18, 5,538.15 and 1,383.06

Step by Step Solution

1. Step 1: Write the proportion equation
   3,693.18 : 5,538.15 = 1,383.06 : x
2. Step 2: Convert to fraction form
   3,693.18/5,538.15 = 1,383.06/x
3. Step 3: Cross multiply
   3,693.18x = 5,538.15 × 1,383.06
4. Step 4: Simplify right side
   3,693.18x = 7,659,611.04
5. Step 5: Solve for x
   x = 7,659,611.04/3,693.18
6. Step 6: Final answer
   x = 2,073.99