Finding the Fourth Proportional to 11,626.78, 17,444.50 and 5,389.78

Step by Step Solution

1. Step 1: Write the proportion equation
   11,626.78 : 17,444.50 = 5,389.78 : x
2. Step 2: Convert to fraction form
   11,626.78/17,444.50 = 5,389.78/x
3. Step 3: Cross multiply
   11,626.78x = 17,444.50 × 5,389.78
4. Step 4: Simplify right side
   11,626.78x = 94,022,017.21
5. Step 5: Solve for x
   x = 94,022,017.21/11,626.78
6. Step 6: Final answer
   x = 8,086.68