Finding the Fourth Proportional to 17,340.87, 23,929.89 and 9,787.12

Step by Step Solution

1. Step 1: Write the proportion equation
   17,340.87 : 23,929.89 = 9,787.12 : x
2. Step 2: Convert to fraction form
   17,340.87/23,929.89 = 9,787.12/x
3. Step 3: Cross multiply
   17,340.87x = 23,929.89 × 9,787.12
4. Step 4: Simplify right side
   17,340.87x = 234,204,705.02
5. Step 5: Solve for x
   x = 234,204,705.02/17,340.87
6. Step 6: Final answer
   x = 13,505.94