Finding the Fourth Proportional to 23,633.34, 32,613.59 and 12,878.30

Step by Step Solution

1. Step 1: Write the proportion equation
   23,633.34 : 32,613.59 = 12,878.30 : x
2. Step 2: Convert to fraction form
   23,633.34/32,613.59 = 12,878.30/x
3. Step 3: Cross multiply
   23,633.34x = 32,613.59 × 12,878.30
4. Step 4: Simplify right side
   23,633.34x = 420,007,698.54
5. Step 5: Solve for x
   x = 420,007,698.54/23,633.34
6. Step 6: Final answer
   x = 17,771.83