Finding the Fourth Proportional to 30,544.02, 42,150.69 and 18,607.36

Step by Step Solution

1. Step 1: Write the proportion equation
   30,544.02 : 42,150.69 = 18,607.36 : x
2. Step 2: Convert to fraction form
   30,544.02/42,150.69 = 18,607.36/x
3. Step 3: Cross multiply
   30,544.02x = 42,150.69 × 18,607.36
4. Step 4: Simplify right side
   30,544.02x = 784,313,003.63
5. Step 5: Solve for x
   x = 784,313,003.63/30,544.02
6. Step 6: Final answer
   x = 25,678.12