Finding the Fourth Proportional to 30,544.49, 42,151.34 and 18,607.83

Step by Step Solution

1. Step 1: Write the proportion equation
   30,544.49 : 42,151.34 = 18,607.83 : x
2. Step 2: Convert to fraction form
   30,544.49/42,151.34 = 18,607.83/x
3. Step 3: Cross multiply
   30,544.49x = 42,151.34 × 18,607.83
4. Step 4: Simplify right side
   30,544.49x = 784,344,863.61
5. Step 5: Solve for x
   x = 784,344,863.61/30,544.49
6. Step 6: Final answer
   x = 25,678.77