Finding the Fourth Proportional to 23,565.69, 32,520.23 and 12,955.10

Step by Step Solution

1. Step 1: Write the proportion equation
   23,565.69 : 32,520.23 = 12,955.10 : x
2. Step 2: Convert to fraction form
   23,565.69/32,520.23 = 12,955.10/x
3. Step 3: Cross multiply
   23,565.69x = 32,520.23 × 12,955.10
4. Step 4: Simplify right side
   23,565.69x = 421,302,604.30
5. Step 5: Solve for x
   x = 421,302,604.30/23,565.69
6. Step 6: Final answer
   x = 17,877.80