Finding the Fourth Proportional to 23,855.42, 32,921.34 and 13,245.86

Step by Step Solution

1. Step 1: Write the proportion equation
   23,855.42 : 32,921.34 = 13,245.86 : x
2. Step 2: Convert to fraction form
   23,855.42/32,921.34 = 13,245.86/x
3. Step 3: Cross multiply
   23,855.42x = 32,921.34 × 13,245.86
4. Step 4: Simplify right side
   23,855.42x = 436,071,460.65
5. Step 5: Solve for x
   x = 436,071,460.65/23,855.42
6. Step 6: Final answer
   x = 18,279.76