Finding the Fourth Proportional to 23,346.89, 32,218.80 and 12,736.70

Step by Step Solution

1. Step 1: Write the proportion equation
   23,346.89 : 32,218.80 = 12,736.70 : x
2. Step 2: Convert to fraction form
   23,346.89/32,218.80 = 12,736.70/x
3. Step 3: Cross multiply
   23,346.89x = 32,218.80 × 12,736.70
4. Step 4: Simplify right side
   23,346.89x = 410,361,189.96
5. Step 5: Solve for x
   x = 410,361,189.96/23,346.89
6. Step 6: Final answer
   x = 17,576.70