Finding the Fourth Proportional to 30,548.14, 42,156.25 and 18,608.94

Step by Step Solution

1. Step 1: Write the proportion equation
   30,548.14 : 42,156.25 = 18,608.94 : x
2. Step 2: Convert to fraction form
   30,548.14/42,156.25 = 18,608.94/x
3. Step 3: Cross multiply
   30,548.14x = 42,156.25 × 18,608.94
4. Step 4: Simplify right side
   30,548.14x = 784,483,080.35
5. Step 5: Solve for x
   x = 784,483,080.35/30,548.14
6. Step 6: Final answer
   x = 25,680.23