Finding the Fourth Proportional to 10,787.52, 16,180.96 and 10,146.24

Step by Step Solution

1. Step 1: Write the proportion equation
   10,787.52 : 16,180.96 = 10,146.24 : x
2. Step 2: Convert to fraction form
   10,787.52/16,180.96 = 10,146.24/x
3. Step 3: Cross multiply
   10,787.52x = 16,180.96 × 10,146.24
4. Step 4: Simplify right side
   10,787.52x = 164,175,903.59
5. Step 5: Solve for x
   x = 164,175,903.59/10,787.52
6. Step 6: Final answer
   x = 15,219.06