Finding the Fourth Proportional to 14,389.56, 21,483.41 and 12,175.83

Step by Step Solution

1. Step 1: Write the proportion equation
   14,389.56 : 21,483.41 = 12,175.83 : x
2. Step 2: Convert to fraction form
   14,389.56/21,483.41 = 12,175.83/x
3. Step 3: Cross multiply
   14,389.56x = 21,483.41 × 12,175.83
4. Step 4: Simplify right side
   14,389.56x = 261,578,287.10
5. Step 5: Solve for x
   x = 261,578,287.10/14,389.56
6. Step 6: Final answer
   x = 18,178.34