Finding the Fourth Proportional to 30,804.87, 42,509.69 and 17,375.63

Step by Step Solution

1. Step 1: Write the proportion equation
   30,804.87 : 42,509.69 = 17,375.63 : x
2. Step 2: Convert to fraction form
   30,804.87/42,509.69 = 17,375.63/x
3. Step 3: Cross multiply
   30,804.87x = 42,509.69 × 17,375.63
4. Step 4: Simplify right side
   30,804.87x = 738,632,410.59
5. Step 5: Solve for x
   x = 738,632,410.59/30,804.87
6. Step 6: Final answer
   x = 23,977.78