Finding the Fourth Proportional to 19,112.34, 26,317.89 and 17,718.42

Step by Step Solution

1. Step 1: Write the proportion equation
   19,112.34 : 26,317.89 = 17,718.42 : x
2. Step 2: Convert to fraction form
   19,112.34/26,317.89 = 17,718.42/x
3. Step 3: Cross multiply
   19,112.34x = 26,317.89 × 17,718.42
4. Step 4: Simplify right side
   19,112.34x = 466,311,428.53
5. Step 5: Solve for x
   x = 466,311,428.53/19,112.34
6. Step 6: Final answer
   x = 24,398.45