Finding the Fourth Proportional to 3,690.50, 5,532.50 and 1,383.62

Step by Step Solution

1. Step 1: Write the proportion equation
   3,690.50 : 5,532.50 = 1,383.62 : x
2. Step 2: Convert to fraction form
   3,690.50/5,532.50 = 1,383.62/x
3. Step 3: Cross multiply
   3,690.50x = 5,532.50 × 1,383.62
4. Step 4: Simplify right side
   3,690.50x = 7,654,853.45
5. Step 5: Solve for x
   x = 7,654,853.45/3,690.50
6. Step 6: Final answer
   x = 2,074.21