Finding the Fourth Proportional to 23,513.87, 32,449.54 and 12,904.49

Step by Step Solution

1. Step 1: Write the proportion equation
   23,513.87 : 32,449.54 = 12,904.49 : x
2. Step 2: Convert to fraction form
   23,513.87/32,449.54 = 12,904.49/x
3. Step 3: Cross multiply
   23,513.87x = 32,449.54 × 12,904.49
4. Step 4: Simplify right side
   23,513.87x = 418,744,764.43
5. Step 5: Solve for x
   x = 418,744,764.43/23,513.87
6. Step 6: Final answer
   x = 17,808.42