Finding the Fourth Proportional to 3,693.12, 5,538.06 and 1,383

Step by Step Solution

1. Step 1: Write the proportion equation
   3,693.12 : 5,538.06 = 1,383 : x
2. Step 2: Convert to fraction form
   3,693.12/5,538.06 = 1,383/x
3. Step 3: Cross multiply
   3,693.12x = 5,538.06 × 1,383
4. Step 4: Simplify right side
   3,693.12x = 7,659,131.79
5. Step 5: Solve for x
   x = 7,659,131.79/3,693.12
6. Step 6: Final answer
   x = 2,073.89