Finding the Fourth Proportional to 10,858.83, 16,262.73 and 5,294.75

Step by Step Solution

1. Step 1: Write the proportion equation
   10,858.83 : 16,262.73 = 5,294.75 : x
2. Step 2: Convert to fraction form
   10,858.83/16,262.73 = 5,294.75/x
3. Step 3: Cross multiply
   10,858.83x = 16,262.73 × 5,294.75
4. Step 4: Simplify right side
   10,858.83x = 86,107,008.35
5. Step 5: Solve for x
   x = 86,107,008.35/10,858.83
6. Step 6: Final answer
   x = 7,929.68