Finding the Fourth Proportional to 31,104, 42,923.52 and 17,858.56

Step by Step Solution

1. Step 1: Write the proportion equation
   31,104 : 42,923.52 = 17,858.56 : x
2. Step 2: Convert to fraction form
   31,104/42,923.52 = 17,858.56/x
3. Step 3: Cross multiply
   31,104x = 42,923.52 × 17,858.56
4. Step 4: Simplify right side
   31,104x = 766,552,257.33
5. Step 5: Solve for x
   x = 766,552,257.33/31,104
6. Step 6: Final answer
   x = 24,644.81