Finding the Fourth Proportional to 10,962.68, 16,431.69 and 5,404.26

Step by Step Solution

1. Step 1: Write the proportion equation
   10,962.68 : 16,431.69 = 5,404.26 : x
2. Step 2: Convert to fraction form
   10,962.68/16,431.69 = 5,404.26/x
3. Step 3: Cross multiply
   10,962.68x = 16,431.69 × 5,404.26
4. Step 4: Simplify right side
   10,962.68x = 88,801,125.00
5. Step 5: Solve for x
   x = 88,801,125.00/10,962.68
6. Step 6: Final answer
   x = 8,100.31