Finding the Fourth Proportional to 23,564.79, 32,519.51 and 12,955.10

Step by Step Solution

1. Step 1: Write the proportion equation
   23,564.79 : 32,519.51 = 12,955.10 : x
2. Step 2: Convert to fraction form
   23,564.79/32,519.51 = 12,955.10/x
3. Step 3: Cross multiply
   23,564.79x = 32,519.51 × 12,955.10
4. Step 4: Simplify right side
   23,564.79x = 421,293,439.23
5. Step 5: Solve for x
   x = 421,293,439.23/23,564.79
6. Step 6: Final answer
   x = 17,878.09