Finding the Fourth Proportional to 17,764.77, 24,517.08 and 13,280.79

Step by Step Solution

1. Step 1: Write the proportion equation
   17,764.77 : 24,517.08 = 13,280.79 : x
2. Step 2: Convert to fraction form
   17,764.77/24,517.08 = 13,280.79/x
3. Step 3: Cross multiply
   17,764.77x = 24,517.08 × 13,280.79
4. Step 4: Simplify right side
   17,764.77x = 325,606,190.89
5. Step 5: Solve for x
   x = 325,606,190.89/17,764.77
6. Step 6: Final answer
   x = 18,328.76