Finding the Fourth Proportional to 23,484.10, 32,407.98 and 12,729.30

Step by Step Solution

1. Step 1: Write the proportion equation
   23,484.10 : 32,407.98 = 12,729.30 : x
2. Step 2: Convert to fraction form
   23,484.10/32,407.98 = 12,729.30/x
3. Step 3: Cross multiply
   23,484.10x = 32,407.98 × 12,729.30
4. Step 4: Simplify right side
   23,484.10x = 412,530,899.81
5. Step 5: Solve for x
   x = 412,530,899.81/23,484.10
6. Step 6: Final answer
   x = 17,566.39