Finding the Fourth Proportional to 6,978.56, 10,465.28 and 2,046.88

Step by Step Solution

1. Step 1: Write the proportion equation
   6,978.56 : 10,465.28 = 2,046.88 : x
2. Step 2: Convert to fraction form
   6,978.56/10,465.28 = 2,046.88/x
3. Step 3: Cross multiply
   6,978.56x = 10,465.28 × 2,046.88
4. Step 4: Simplify right side
   6,978.56x = 21,421,172.33
5. Step 5: Solve for x
   x = 21,421,172.33/6,978.56
6. Step 6: Final answer
   x = 3,069.57