Finding the Fourth Proportional to 10,892.19, 16,327.53 and 5,259.48

Step by Step Solution

1. Step 1: Write the proportion equation
   10,892.19 : 16,327.53 = 5,259.48 : x
2. Step 2: Convert to fraction form
   10,892.19/16,327.53 = 5,259.48/x
3. Step 3: Cross multiply
   10,892.19x = 16,327.53 × 5,259.48
4. Step 4: Simplify right side
   10,892.19x = 85,874,317.48
5. Step 5: Solve for x
   x = 85,874,317.48/10,892.19
6. Step 6: Final answer
   x = 7,884.03