Finding the Fourth Proportional to 11,787.75, 16,258.77 and 10,007.10

Step by Step Solution

1. Step 1: Write the proportion equation
   11,787.75 : 16,258.77 = 10,007.10 : x
2. Step 2: Convert to fraction form
   11,787.75/16,258.77 = 10,007.10/x
3. Step 3: Cross multiply
   11,787.75x = 16,258.77 × 10,007.10
4. Step 4: Simplify right side
   11,787.75x = 162,703,137.27
5. Step 5: Solve for x
   x = 162,703,137.27/11,787.75
6. Step 6: Final answer
   x = 13,802.73