Finding the Fourth Proportional to 19,300.87, 28,962.24 and 10,975.69

Step by Step Solution

1. Step 1: Write the proportion equation
   19,300.87 : 28,962.24 = 10,975.69 : x
2. Step 2: Convert to fraction form
   19,300.87/28,962.24 = 10,975.69/x
3. Step 3: Cross multiply
   19,300.87x = 28,962.24 × 10,975.69
4. Step 4: Simplify right side
   19,300.87x = 317,880,567.95
5. Step 5: Solve for x
   x = 317,880,567.95/19,300.87
6. Step 6: Final answer
   x = 16,469.75