Finding the Fourth Proportional to 23,645.66, 32,630.00 and 12,890.27

Step by Step Solution

1. Step 1: Write the proportion equation
   23,645.66 : 32,630.00 = 12,890.27 : x
2. Step 2: Convert to fraction form
   23,645.66/32,630.00 = 12,890.27/x
3. Step 3: Cross multiply
   23,645.66x = 32,630.00 × 12,890.27
4. Step 4: Simplify right side
   23,645.66x = 420,609,527.22
5. Step 5: Solve for x
   x = 420,609,527.22/23,645.66
6. Step 6: Final answer
   x = 17,788.03