Finding the Fourth Proportional to 17,936.82, 24,701.40 and 17,878.50

Step by Step Solution

1. Step 1: Write the proportion equation
   17,936.82 : 24,701.40 = 17,878.50 : x
2. Step 2: Convert to fraction form
   17,936.82/24,701.40 = 17,878.50/x
3. Step 3: Cross multiply
   17,936.82x = 24,701.40 × 17,878.50
4. Step 4: Simplify right side
   17,936.82x = 441,623,979.90
5. Step 5: Solve for x
   x = 441,623,979.90/17,936.82
6. Step 6: Final answer
   x = 24,621.09