Finding the Fourth Proportional to 8,109.74, 12,164.57 and 2,563.07

Step by Step Solution

1. Step 1: Write the proportion equation
   8,109.74 : 12,164.57 = 2,563.07 : x
2. Step 2: Convert to fraction form
   8,109.74/12,164.57 = 2,563.07/x
3. Step 3: Cross multiply
   8,109.74x = 12,164.57 × 2,563.07
4. Step 4: Simplify right side
   8,109.74x = 31,178,631.61
5. Step 5: Solve for x
   x = 31,178,631.61/8,109.74
6. Step 6: Final answer
   x = 3,844.59