Finding the Fourth Proportional to 12,375.09, 18,558.69 and 4,476.56

Step by Step Solution

1. Step 1: Write the proportion equation
   12,375.09 : 18,558.69 = 4,476.56 : x
2. Step 2: Convert to fraction form
   12,375.09/18,558.69 = 4,476.56/x
3. Step 3: Cross multiply
   12,375.09x = 18,558.69 × 4,476.56
4. Step 4: Simplify right side
   12,375.09x = 83,078,996.51
5. Step 5: Solve for x
   x = 83,078,996.51/12,375.09
6. Step 6: Final answer
   x = 6,713.41