Finding the Fourth Proportional to 8,159.00, 12,238.47 and 2,315.61

Step by Step Solution

1. Step 1: Write the proportion equation
   8,159.00 : 12,238.47 = 2,315.61 : x
2. Step 2: Convert to fraction form
   8,159.00/12,238.47 = 2,315.61/x
3. Step 3: Cross multiply
   8,159.00x = 12,238.47 × 2,315.61
4. Step 4: Simplify right side
   8,159.00x = 28,339,523.52
5. Step 5: Solve for x
   x = 28,339,523.52/8,159.00
6. Step 6: Final answer
   x = 3,473.41