Finding the Fourth Proportional to 3,523.62, 5,284.86 and 1,938.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,523.62 : 5,284.86 = 1,938.42 : x
2. Step 2: Convert to fraction form
   3,523.62/5,284.86 = 1,938.42/x
3. Step 3: Cross multiply
   3,523.62x = 5,284.86 × 1,938.42
4. Step 4: Simplify right side
   3,523.62x = 10,244,278.32
5. Step 5: Solve for x
   x = 10,244,278.32/3,523.62
6. Step 6: Final answer
   x = 2,907.32