Finding the Fourth Proportional to 21,776.42, 30,050.88 and 12,344.96

Step by Step Solution

1. Step 1: Write the proportion equation
   21,776.42 : 30,050.88 = 12,344.96 : x
2. Step 2: Convert to fraction form
   21,776.42/30,050.88 = 12,344.96/x
3. Step 3: Cross multiply
   21,776.42x = 30,050.88 × 12,344.96
4. Step 4: Simplify right side
   21,776.42x = 370,976,911.56
5. Step 5: Solve for x
   x = 370,976,911.56/21,776.42
6. Step 6: Final answer
   x = 17,035.72