Finding the Fourth Proportional to 23,566.88, 32,520.72 and 12,956

Step by Step Solution

1. Step 1: Write the proportion equation
   23,566.88 : 32,520.72 = 12,956 : x
2. Step 2: Convert to fraction form
   23,566.88/32,520.72 = 12,956/x
3. Step 3: Cross multiply
   23,566.88x = 32,520.72 × 12,956
4. Step 4: Simplify right side
   23,566.88x = 421,338,448.32
5. Step 5: Solve for x
   x = 421,338,448.32/23,566.88
6. Step 6: Final answer
   x = 17,878.41