Finding the Fourth Proportional to 23,521.38, 32,458.41 and 12,911.19

Step by Step Solution

1. Step 1: Write the proportion equation
   23,521.38 : 32,458.41 = 12,911.19 : x
2. Step 2: Convert to fraction form
   23,521.38/32,458.41 = 12,911.19/x
3. Step 3: Cross multiply
   23,521.38x = 32,458.41 × 12,911.19
4. Step 4: Simplify right side
   23,521.38x = 419,076,698.61
5. Step 5: Solve for x
   x = 419,076,698.61/23,521.38
6. Step 6: Final answer
   x = 17,816.84