Finding the Fourth Proportional to 8,704.08, 13,019.06 and 5,186.06

Step by Step Solution

1. Step 1: Write the proportion equation
   8,704.08 : 13,019.06 = 5,186.06 : x
2. Step 2: Convert to fraction form
   8,704.08/13,019.06 = 5,186.06/x
3. Step 3: Cross multiply
   8,704.08x = 13,019.06 × 5,186.06
4. Step 4: Simplify right side
   8,704.08x = 67,517,535.28
5. Step 5: Solve for x
   x = 67,517,535.28/8,704.08
6. Step 6: Final answer
   x = 7,757.00