Finding the Fourth Proportional to 23,565.94, 32,520.16 and 12,955.50

Step by Step Solution

1. Step 1: Write the proportion equation
   23,565.94 : 32,520.16 = 12,955.50 : x
2. Step 2: Convert to fraction form
   23,565.94/32,520.16 = 12,955.50/x
3. Step 3: Cross multiply
   23,565.94x = 32,520.16 × 12,955.50
4. Step 4: Simplify right side
   23,565.94x = 421,314,932.88
5. Step 5: Solve for x
   x = 421,314,932.88/23,565.94
6. Step 6: Final answer
   x = 17,878.13