Finding the Fourth Proportional to 17,980.98, 24,816.78 and 13,278.84

Step by Step Solution

1. Step 1: Write the proportion equation
   17,980.98 : 24,816.78 = 13,278.84 : x
2. Step 2: Convert to fraction form
   17,980.98/24,816.78 = 13,278.84/x
3. Step 3: Cross multiply
   17,980.98x = 24,816.78 × 13,278.84
4. Step 4: Simplify right side
   17,980.98x = 329,538,050.94
5. Step 5: Solve for x
   x = 329,538,050.94/17,980.98
6. Step 6: Final answer
   x = 18,327.04