Finding the Fourth Proportional to 8,164.53, 12,252.96 and 5,978.88

Step by Step Solution

1. Step 1: Write the proportion equation
   8,164.53 : 12,252.96 = 5,978.88 : x
2. Step 2: Convert to fraction form
   8,164.53/12,252.96 = 5,978.88/x
3. Step 3: Cross multiply
   8,164.53x = 12,252.96 × 5,978.88
4. Step 4: Simplify right side
   8,164.53x = 73,258,977.48
5. Step 5: Solve for x
   x = 73,258,977.48/8,164.53
6. Step 6: Final answer
   x = 8,972.83