Finding the Fourth Proportional to 7,017.84, 10,527.21 and 2,855.58

Step by Step Solution

1. Step 1: Write the proportion equation
   7,017.84 : 10,527.21 = 2,855.58 : x
2. Step 2: Convert to fraction form
   7,017.84/10,527.21 = 2,855.58/x
3. Step 3: Cross multiply
   7,017.84x = 10,527.21 × 2,855.58
4. Step 4: Simplify right side
   7,017.84x = 30,061,250.85
5. Step 5: Solve for x
   x = 30,061,250.85/7,017.84
6. Step 6: Final answer
   x = 4,283.55