Finding the Fourth Proportional to 23,494.72, 35,226.34 and 12,389.68

Step by Step Solution

1. Step 1: Write the proportion equation
   23,494.72 : 35,226.34 = 12,389.68 : x
2. Step 2: Convert to fraction form
   23,494.72/35,226.34 = 12,389.68/x
3. Step 3: Cross multiply
   23,494.72x = 35,226.34 × 12,389.68
4. Step 4: Simplify right side
   23,494.72x = 436,443,080.17
5. Step 5: Solve for x
   x = 436,443,080.17/23,494.72
6. Step 6: Final answer
   x = 18,576.22