Finding the Fourth Proportional to 22,429.88, 30,958.74 and 13,003.94

Step by Step Solution

1. Step 1: Write the proportion equation
   22,429.88 : 30,958.74 = 13,003.94 : x
2. Step 2: Convert to fraction form
   22,429.88/30,958.74 = 13,003.94/x
3. Step 3: Cross multiply
   22,429.88x = 30,958.74 × 13,003.94
4. Step 4: Simplify right side
   22,429.88x = 402,585,597.44
5. Step 5: Solve for x
   x = 402,585,597.44/22,429.88
6. Step 6: Final answer
   x = 17,948.63