Finding the Fourth Proportional to 10,887.63, 16,329.52 and 4,963.19

Step by Step Solution

1. Step 1: Write the proportion equation
   10,887.63 : 16,329.52 = 4,963.19 : x
2. Step 2: Convert to fraction form
   10,887.63/16,329.52 = 4,963.19/x
3. Step 3: Cross multiply
   10,887.63x = 16,329.52 × 4,963.19
4. Step 4: Simplify right side
   10,887.63x = 81,046,510.37
5. Step 5: Solve for x
   x = 81,046,510.37/10,887.63
6. Step 6: Final answer
   x = 7,443.91