Finding the Fourth Proportional to 23,890.50, 32,967.33 and 13,279.74

Step by Step Solution

1. Step 1: Write the proportion equation
   23,890.50 : 32,967.33 = 13,279.74 : x
2. Step 2: Convert to fraction form
   23,890.50/32,967.33 = 13,279.74/x
3. Step 3: Cross multiply
   23,890.50x = 32,967.33 × 13,279.74
4. Step 4: Simplify right side
   23,890.50x = 437,797,570.89
5. Step 5: Solve for x
   x = 437,797,570.89/23,890.50
6. Step 6: Final answer
   x = 18,325.17