Finding the Fourth Proportional to 17,882.78, 26,813.72 and 5,399.06

Step by Step Solution

1. Step 1: Write the proportion equation
   17,882.78 : 26,813.72 = 5,399.06 : x
2. Step 2: Convert to fraction form
   17,882.78/26,813.72 = 5,399.06/x
3. Step 3: Cross multiply
   17,882.78x = 26,813.72 × 5,399.06
4. Step 4: Simplify right side
   17,882.78x = 144,768,762.53
5. Step 5: Solve for x
   x = 144,768,762.53/17,882.78
6. Step 6: Final answer
   x = 8,095.43