Finding the Fourth Proportional to 23,856.93, 32,922.86 and 13,247.55

Step by Step Solution

1. Step 1: Write the proportion equation
   23,856.93 : 32,922.86 = 13,247.55 : x
2. Step 2: Convert to fraction form
   23,856.93/32,922.86 = 13,247.55/x
3. Step 3: Cross multiply
   23,856.93x = 32,922.86 × 13,247.55
4. Step 4: Simplify right side
   23,856.93x = 436,147,167.76
5. Step 5: Solve for x
   x = 436,147,167.76/23,856.93
6. Step 6: Final answer
   x = 18,281.78