Finding the Fourth Proportional to 12,124.42, 18,179.31 and 4,727.46

Step by Step Solution

1. Step 1: Write the proportion equation
   12,124.42 : 18,179.31 = 4,727.46 : x
2. Step 2: Convert to fraction form
   12,124.42/18,179.31 = 4,727.46/x
3. Step 3: Cross multiply
   12,124.42x = 18,179.31 × 4,727.46
4. Step 4: Simplify right side
   12,124.42x = 85,941,960.85
5. Step 5: Solve for x
   x = 85,941,960.85/12,124.42
6. Step 6: Final answer
   x = 7,088.34