Finding the Fourth Proportional to 11,826.20, 17,736.23 and 3,503.98

Step by Step Solution

1. Step 1: Write the proportion equation
   11,826.20 : 17,736.23 = 3,503.98 : x
2. Step 2: Convert to fraction form
   11,826.20/17,736.23 = 3,503.98/x
3. Step 3: Cross multiply
   11,826.20x = 17,736.23 × 3,503.98
4. Step 4: Simplify right side
   11,826.20x = 62,147,461.23
5. Step 5: Solve for x
   x = 62,147,461.23/11,826.20
6. Step 6: Final answer
   x = 5,255.06