Finding the Fourth Proportional to 8,710.98, 12,017.86 and 5,351.10

Step by Step Solution

1. Step 1: Write the proportion equation
   8,710.98 : 12,017.86 = 5,351.10 : x
2. Step 2: Convert to fraction form
   8,710.98/12,017.86 = 5,351.10/x
3. Step 3: Cross multiply
   8,710.98x = 12,017.86 × 5,351.10
4. Step 4: Simplify right side
   8,710.98x = 64,308,770.65
5. Step 5: Solve for x
   x = 64,308,770.65/8,710.98
6. Step 6: Final answer
   x = 7,382.50