Finding the Fourth Proportional to 21,845.94, 32,801.73 and 12,496.51

Step by Step Solution

1. Step 1: Write the proportion equation
   21,845.94 : 32,801.73 = 12,496.51 : x
2. Step 2: Convert to fraction form
   21,845.94/32,801.73 = 12,496.51/x
3. Step 3: Cross multiply
   21,845.94x = 32,801.73 × 12,496.51
4. Step 4: Simplify right side
   21,845.94x = 409,907,146.96
5. Step 5: Solve for x
   x = 409,907,146.96/21,845.94
6. Step 6: Final answer
   x = 18,763.54