Finding the Fourth Proportional to 28,571.76, 42,860.52 and 9,849.33

Step by Step Solution

1. Step 1: Write the proportion equation
   28,571.76 : 42,860.52 = 9,849.33 : x
2. Step 2: Convert to fraction form
   28,571.76/42,860.52 = 9,849.33/x
3. Step 3: Cross multiply
   28,571.76x = 42,860.52 × 9,849.33
4. Step 4: Simplify right side
   28,571.76x = 422,147,405.45
5. Step 5: Solve for x
   x = 422,147,405.45/28,571.76
6. Step 6: Final answer
   x = 14,774.99