Finding the Fourth Proportional to 3,949.32, 5,922.72 and 3,690.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,949.32 : 5,922.72 = 3,690.50 : x
2. Step 2: Convert to fraction form
   3,949.32/5,922.72 = 3,690.50/x
3. Step 3: Cross multiply
   3,949.32x = 5,922.72 × 3,690.50
4. Step 4: Simplify right side
   3,949.32x = 21,857,798.16
5. Step 5: Solve for x
   x = 21,857,798.16/3,949.32
6. Step 6: Final answer
   x = 5,534.57