Finding the Fourth Proportional to 12,111.32, 18,163.41 and 4,714.01

Step by Step Solution

1. Step 1: Write the proportion equation
   12,111.32 : 18,163.41 = 4,714.01 : x
2. Step 2: Convert to fraction form
   12,111.32/18,163.41 = 4,714.01/x
3. Step 3: Cross multiply
   12,111.32x = 18,163.41 × 4,714.01
4. Step 4: Simplify right side
   12,111.32x = 85,622,405.56
5. Step 5: Solve for x
   x = 85,622,405.56/12,111.32
6. Step 6: Final answer
   x = 7,069.62