Finding the Fourth Proportional to 6,951.39, 10,428.72 and 2,020.88

Step by Step Solution

1. Step 1: Write the proportion equation
   6,951.39 : 10,428.72 = 2,020.88 : x
2. Step 2: Convert to fraction form
   6,951.39/10,428.72 = 2,020.88/x
3. Step 3: Cross multiply
   6,951.39x = 10,428.72 × 2,020.88
4. Step 4: Simplify right side
   6,951.39x = 21,075,181.57
5. Step 5: Solve for x
   x = 21,075,181.57/6,951.39
6. Step 6: Final answer
   x = 3,031.80