Finding the Fourth Proportional to 30,544.16, 42,150.58 and 17,115.37

Step by Step Solution

1. Step 1: Write the proportion equation
   30,544.16 : 42,150.58 = 17,115.37 : x
2. Step 2: Convert to fraction form
   30,544.16/42,150.58 = 17,115.37/x
3. Step 3: Cross multiply
   30,544.16x = 42,150.58 × 17,115.37
4. Step 4: Simplify right side
   30,544.16x = 721,422,624.25
5. Step 5: Solve for x
   x = 721,422,624.25/30,544.16
6. Step 6: Final answer
   x = 23,619.01