Finding the Fourth Proportional to 12,077.88, 18,118.92 and 4,071.89

Step by Step Solution

1. Step 1: Write the proportion equation
   12,077.88 : 18,118.92 = 4,071.89 : x
2. Step 2: Convert to fraction form
   12,077.88/18,118.92 = 4,071.89/x
3. Step 3: Cross multiply
   12,077.88x = 18,118.92 × 4,071.89
4. Step 4: Simplify right side
   12,077.88x = 73,778,158.56
5. Step 5: Solve for x
   x = 73,778,158.56/12,077.88
6. Step 6: Final answer
   x = 6,108.54