Finding the Fourth Proportional to 10,866.84, 16,300.89 and 3,075

Step by Step Solution

1. Step 1: Write the proportion equation
   10,866.84 : 16,300.89 = 3,075 : x
2. Step 2: Convert to fraction form
   10,866.84/16,300.89 = 3,075/x
3. Step 3: Cross multiply
   10,866.84x = 16,300.89 × 3,075
4. Step 4: Simplify right side
   10,866.84x = 50,125,236.75
5. Step 5: Solve for x
   x = 50,125,236.75/10,866.84
6. Step 6: Final answer
   x = 4,612.68