Finding the Fourth Proportional to 30,494.80, 42,103.56 and 23,408.72

Step by Step Solution

1. Step 1: Write the proportion equation
   30,494.80 : 42,103.56 = 23,408.72 : x
2. Step 2: Convert to fraction form
   30,494.80/42,103.56 = 23,408.72/x
3. Step 3: Cross multiply
   30,494.80x = 42,103.56 × 23,408.72
4. Step 4: Simplify right side
   30,494.80x = 985,590,447.04
5. Step 5: Solve for x
   x = 985,590,447.04/30,494.80
6. Step 6: Final answer
   x = 32,319.95