Finding the Fourth Proportional to 23,587.20, 32,549.16 and 12,976.56

Step by Step Solution

1. Step 1: Write the proportion equation
   23,587.20 : 32,549.16 = 12,976.56 : x
2. Step 2: Convert to fraction form
   23,587.20/32,549.16 = 12,976.56/x
3. Step 3: Cross multiply
   23,587.20x = 32,549.16 × 12,976.56
4. Step 4: Simplify right side
   23,587.20x = 422,376,127.69
5. Step 5: Solve for x
   x = 422,376,127.69/23,587.20
6. Step 6: Final answer
   x = 17,907.01