Finding the Fourth Proportional to 22,439.94, 30,742.83 and 21,599.16

Step by Step Solution

1. Step 1: Write the proportion equation
   22,439.94 : 30,742.83 = 21,599.16 : x
2. Step 2: Convert to fraction form
   22,439.94/30,742.83 = 21,599.16/x
3. Step 3: Cross multiply
   22,439.94x = 30,742.83 × 21,599.16
4. Step 4: Simplify right side
   22,439.94x = 664,019,304.02
5. Step 5: Solve for x
   x = 664,019,304.02/22,439.94
6. Step 6: Final answer
   x = 29,590.96