Finding the Fourth Proportional to 16,962.84, 23,411.46 and 9,887.91

Step by Step Solution

1. Step 1: Write the proportion equation
   16,962.84 : 23,411.46 = 9,887.91 : x
2. Step 2: Convert to fraction form
   16,962.84/23,411.46 = 9,887.91/x
3. Step 3: Cross multiply
   16,962.84x = 23,411.46 × 9,887.91
4. Step 4: Simplify right side
   16,962.84x = 231,490,409.45
5. Step 5: Solve for x
   x = 231,490,409.45/16,962.84
6. Step 6: Final answer
   x = 13,646.91