Finding the Fourth Proportional to 30,949, 42,715.02 and 18,373.48

Step by Step Solution

1. Step 1: Write the proportion equation
   30,949 : 42,715.02 = 18,373.48 : x
2. Step 2: Convert to fraction form
   30,949/42,715.02 = 18,373.48/x
3. Step 3: Cross multiply
   30,949x = 42,715.02 × 18,373.48
4. Step 4: Simplify right side
   30,949x = 784,823,565.67
5. Step 5: Solve for x
   x = 784,823,565.67/30,949
6. Step 6: Final answer
   x = 25,358.61