Finding the Fourth Proportional to 8,550.61, 12,710.52 and 8,298.35

Step by Step Solution

1. Step 1: Write the proportion equation
   8,550.61 : 12,710.52 = 8,298.35 : x
2. Step 2: Convert to fraction form
   8,550.61/12,710.52 = 8,298.35/x
3. Step 3: Cross multiply
   8,550.61x = 12,710.52 × 8,298.35
4. Step 4: Simplify right side
   8,550.61x = 105,476,327.75
5. Step 5: Solve for x
   x = 105,476,327.75/8,550.61
6. Step 6: Final answer
   x = 12,335.53