Finding the Fourth Proportional to 30,111.62, 41,554.04 and 16,499.72

Step by Step Solution

1. Step 1: Write the proportion equation
   30,111.62 : 41,554.04 = 16,499.72 : x
2. Step 2: Convert to fraction form
   30,111.62/41,554.04 = 16,499.72/x
3. Step 3: Cross multiply
   30,111.62x = 41,554.04 × 16,499.72
4. Step 4: Simplify right side
   30,111.62x = 685,630,024.87
5. Step 5: Solve for x
   x = 685,630,024.87/30,111.62
6. Step 6: Final answer
   x = 22,769.62