Finding the Fourth Proportional to 18,096.72, 24,973.02 and 10,139.46

Step by Step Solution

1. Step 1: Write the proportion equation
   18,096.72 : 24,973.02 = 10,139.46 : x
2. Step 2: Convert to fraction form
   18,096.72/24,973.02 = 10,139.46/x
3. Step 3: Cross multiply
   18,096.72x = 24,973.02 × 10,139.46
4. Step 4: Simplify right side
   18,096.72x = 253,212,937.37
5. Step 5: Solve for x
   x = 253,212,937.37/18,096.72
6. Step 6: Final answer
   x = 13,992.20