Finding the Fourth Proportional to 18,300.81, 25,256.16 and 10,343.73

Step by Step Solution

1. Step 1: Write the proportion equation
   18,300.81 : 25,256.16 = 10,343.73 : x
2. Step 2: Convert to fraction form
   18,300.81/25,256.16 = 10,343.73/x
3. Step 3: Cross multiply
   18,300.81x = 25,256.16 × 10,343.73
4. Step 4: Simplify right side
   18,300.81x = 261,242,899.88
5. Step 5: Solve for x
   x = 261,242,899.88/18,300.81
6. Step 6: Final answer
   x = 14,274.94