Finding the Fourth Proportional to 24,468.57, 33,766.56 and 13,290.57

Step by Step Solution

1. Step 1: Write the proportion equation
   24,468.57 : 33,766.56 = 13,290.57 : x
2. Step 2: Convert to fraction form
   24,468.57/33,766.56 = 13,290.57/x
3. Step 3: Cross multiply
   24,468.57x = 33,766.56 × 13,290.57
4. Step 4: Simplify right side
   24,468.57x = 448,776,829.34
5. Step 5: Solve for x
   x = 448,776,829.34/24,468.57
6. Step 6: Final answer
   x = 18,340.95