Finding the Fourth Proportional to 24,928.72, 34,404.06 and 18,630.16

Step by Step Solution

1. Step 1: Write the proportion equation
   24,928.72 : 34,404.06 = 18,630.16 : x
2. Step 2: Convert to fraction form
   24,928.72/34,404.06 = 18,630.16/x
3. Step 3: Cross multiply
   24,928.72x = 34,404.06 × 18,630.16
4. Step 4: Simplify right side
   24,928.72x = 640,953,142.45
5. Step 5: Solve for x
   x = 640,953,142.45/24,928.72
6. Step 6: Final answer
   x = 25,711.43