Finding the Fourth Proportional to 11,378, 17,069.16 and 5,222

Step by Step Solution

1. Step 1: Write the proportion equation
   11,378 : 17,069.16 = 5,222 : x
2. Step 2: Convert to fraction form
   11,378/17,069.16 = 5,222/x
3. Step 3: Cross multiply
   11,378x = 17,069.16 × 5,222
4. Step 4: Simplify right side
   11,378x = 89,135,153.52
5. Step 5: Solve for x
   x = 89,135,153.52/11,378
6. Step 6: Final answer
   x = 7,833.99