Finding the Fourth Proportional to 23,986.55, 33,100.71 and 13,377.98

Step by Step Solution

1. Step 1: Write the proportion equation
   23,986.55 : 33,100.71 = 13,377.98 : x
2. Step 2: Convert to fraction form
   23,986.55/33,100.71 = 13,377.98/x
3. Step 3: Cross multiply
   23,986.55x = 33,100.71 × 13,377.98
4. Step 4: Simplify right side
   23,986.55x = 442,820,636.37
5. Step 5: Solve for x
   x = 442,820,636.37/23,986.55
6. Step 6: Final answer
   x = 18,461.21