Finding the Fourth Proportional to 17,976.42, 26,970.24 and 16,115.82

Step by Step Solution

1. Step 1: Write the proportion equation
   17,976.42 : 26,970.24 = 16,115.82 : x
2. Step 2: Convert to fraction form
   17,976.42/26,970.24 = 16,115.82/x
3. Step 3: Cross multiply
   17,976.42x = 26,970.24 × 16,115.82
4. Step 4: Simplify right side
   17,976.42x = 434,647,533.20
5. Step 5: Solve for x
   x = 434,647,533.20/17,976.42
6. Step 6: Final answer
   x = 24,178.76