Finding the Fourth Proportional to 30,544.02, 42,150.50 and 17,115.38

Step by Step Solution

1. Step 1: Write the proportion equation
   30,544.02 : 42,150.50 = 17,115.38 : x
2. Step 2: Convert to fraction form
   30,544.02/42,150.50 = 17,115.38/x
3. Step 3: Cross multiply
   30,544.02x = 42,150.50 × 17,115.38
4. Step 4: Simplify right side
   30,544.02x = 721,421,824.69
5. Step 5: Solve for x
   x = 721,421,824.69/30,544.02
6. Step 6: Final answer
   x = 23,619.09