Finding the Fourth Proportional to 23,886.54, 32,967.50 and 13,821.12

Step by Step Solution

1. Step 1: Write the proportion equation
   23,886.54 : 32,967.50 = 13,821.12 : x
2. Step 2: Convert to fraction form
   23,886.54/32,967.50 = 13,821.12/x
3. Step 3: Cross multiply
   23,886.54x = 32,967.50 × 13,821.12
4. Step 4: Simplify right side
   23,886.54x = 455,647,704.49
5. Step 5: Solve for x
   x = 455,647,704.49/23,886.54
6. Step 6: Final answer
   x = 19,075.50