Finding the Fourth Proportional to 22,111.34, 30,515.01 and 12,682.94

Step by Step Solution

1. Step 1: Write the proportion equation
   22,111.34 : 30,515.01 = 12,682.94 : x
2. Step 2: Convert to fraction form
   22,111.34/30,515.01 = 12,682.94/x
3. Step 3: Cross multiply
   22,111.34x = 30,515.01 × 12,682.94
4. Step 4: Simplify right side
   22,111.34x = 387,020,040.93
5. Step 5: Solve for x
   x = 387,020,040.93/22,111.34
6. Step 6: Final answer
   x = 17,503.24