Finding the Fourth Proportional to 8,079.39, 12,123.63 and 3,149.37

Step by Step Solution

1. Step 1: Write the proportion equation
   8,079.39 : 12,123.63 = 3,149.37 : x
2. Step 2: Convert to fraction form
   8,079.39/12,123.63 = 3,149.37/x
3. Step 3: Cross multiply
   8,079.39x = 12,123.63 × 3,149.37
4. Step 4: Simplify right side
   8,079.39x = 38,181,796.61
5. Step 5: Solve for x
   x = 38,181,796.61/8,079.39
6. Step 6: Final answer
   x = 4,725.83