Finding the Fourth Proportional to 12,113.34, 18,157.46 and 4,714.80

Step by Step Solution

1. Step 1: Write the proportion equation
   12,113.34 : 18,157.46 = 4,714.80 : x
2. Step 2: Convert to fraction form
   12,113.34/18,157.46 = 4,714.80/x
3. Step 3: Cross multiply
   12,113.34x = 18,157.46 × 4,714.80
4. Step 4: Simplify right side
   12,113.34x = 85,608,768.83
5. Step 5: Solve for x
   x = 85,608,768.83/12,113.34
6. Step 6: Final answer
   x = 7,067.31