Finding the Fourth Proportional to 6,978.93, 10,466.01 and 2,817.86

Step by Step Solution

1. Step 1: Write the proportion equation
   6,978.93 : 10,466.01 = 2,817.86 : x
2. Step 2: Convert to fraction form
   6,978.93/10,466.01 = 2,817.86/x
3. Step 3: Cross multiply
   6,978.93x = 10,466.01 × 2,817.86
4. Step 4: Simplify right side
   6,978.93x = 29,491,698.61
5. Step 5: Solve for x
   x = 29,491,698.61/6,978.93
6. Step 6: Final answer
   x = 4,225.82