Finding the Fourth Proportional to 8,216.06, 12,315.78 and 4,704.84

Step by Step Solution

1. Step 1: Write the proportion equation
   8,216.06 : 12,315.78 = 4,704.84 : x
2. Step 2: Convert to fraction form
   8,216.06/12,315.78 = 4,704.84/x
3. Step 3: Cross multiply
   8,216.06x = 12,315.78 × 4,704.84
4. Step 4: Simplify right side
   8,216.06x = 57,943,774.38
5. Step 5: Solve for x
   x = 57,943,774.38/8,216.06
6. Step 6: Final answer
   x = 7,052.51