Finding the Fourth Proportional to 21,444.41, 29,601.43 and 12,494.81

Step by Step Solution

1. Step 1: Write the proportion equation
   21,444.41 : 29,601.43 = 12,494.81 : x
2. Step 2: Convert to fraction form
   21,444.41/29,601.43 = 12,494.81/x
3. Step 3: Cross multiply
   21,444.41x = 29,601.43 × 12,494.81
4. Step 4: Simplify right side
   21,444.41x = 369,864,286.34
5. Step 5: Solve for x
   x = 369,864,286.34/21,444.41
6. Step 6: Final answer
   x = 17,247.58