Finding the Fourth Proportional to 31,015.24, 42,800.22 and 18,096.99

Step by Step Solution

1. Step 1: Write the proportion equation
   31,015.24 : 42,800.22 = 18,096.99 : x
2. Step 2: Convert to fraction form
   31,015.24/42,800.22 = 18,096.99/x
3. Step 3: Cross multiply
   31,015.24x = 42,800.22 × 18,096.99
4. Step 4: Simplify right side
   31,015.24x = 774,554,939.34
5. Step 5: Solve for x
   x = 774,554,939.34/31,015.24
6. Step 6: Final answer
   x = 24,973.37