Finding the Fourth Proportional to 8,189.70, 12,284.82 and 2,345.82

Step by Step Solution

1. Step 1: Write the proportion equation
   8,189.70 : 12,284.82 = 2,345.82 : x
2. Step 2: Convert to fraction form
   8,189.70/12,284.82 = 2,345.82/x
3. Step 3: Cross multiply
   8,189.70x = 12,284.82 × 2,345.82
4. Step 4: Simplify right side
   8,189.70x = 28,817,976.45
5. Step 5: Solve for x
   x = 28,817,976.45/8,189.70
6. Step 6: Final answer
   x = 3,518.81