Finding the Fourth Proportional to 23,886, 32,962.73 and 13,278.15

Step by Step Solution

1. Step 1: Write the proportion equation
   23,886 : 32,962.73 = 13,278.15 : x
2. Step 2: Convert to fraction form
   23,886/32,962.73 = 13,278.15/x
3. Step 3: Cross multiply
   23,886x = 32,962.73 × 13,278.15
4. Step 4: Simplify right side
   23,886x = 437,684,006.96
5. Step 5: Solve for x
   x = 437,684,006.96/23,886
6. Step 6: Final answer
   x = 18,323.87