Finding the Fourth Proportional to 11,826.22, 17,739.42 and 5,250.64

Step by Step Solution

1. Step 1: Write the proportion equation
   11,826.22 : 17,739.42 = 5,250.64 : x
2. Step 2: Convert to fraction form
   11,826.22/17,739.42 = 5,250.64/x
3. Step 3: Cross multiply
   11,826.22x = 17,739.42 × 5,250.64
4. Step 4: Simplify right side
   11,826.22x = 93,143,308.23
5. Step 5: Solve for x
   x = 93,143,308.23/11,826.22
6. Step 6: Final answer
   x = 7,876.00