Finding the Fourth Proportional to 12,050.37, 18,052.74 and 7,105.32

Step by Step Solution

1. Step 1: Write the proportion equation
   12,050.37 : 18,052.74 = 7,105.32 : x
2. Step 2: Convert to fraction form
   12,050.37/18,052.74 = 7,105.32/x
3. Step 3: Cross multiply
   12,050.37x = 18,052.74 × 7,105.32
4. Step 4: Simplify right side
   12,050.37x = 128,270,494.58
5. Step 5: Solve for x
   x = 128,270,494.58/12,050.37
6. Step 6: Final answer
   x = 10,644.53