Finding the Fourth Proportional to 20,994.56, 31,473 and 19,168.41

Step by Step Solution

1. Step 1: Write the proportion equation
   20,994.56 : 31,473 = 19,168.41 : x
2. Step 2: Convert to fraction form
   20,994.56/31,473 = 19,168.41/x
3. Step 3: Cross multiply
   20,994.56x = 31,473 × 19,168.41
4. Step 4: Simplify right side
   20,994.56x = 603,287,367.93
5. Step 5: Solve for x
   x = 603,287,367.93/20,994.56
6. Step 6: Final answer
   x = 28,735.41