Finding the Fourth Proportional to 11,953.78, 17,930.06 and 3,633.61

Step by Step Solution

1. Step 1: Write the proportion equation
   11,953.78 : 17,930.06 = 3,633.61 : x
2. Step 2: Convert to fraction form
   11,953.78/17,930.06 = 3,633.61/x
3. Step 3: Cross multiply
   11,953.78x = 17,930.06 × 3,633.61
4. Step 4: Simplify right side
   11,953.78x = 65,150,829.57
5. Step 5: Solve for x
   x = 65,150,829.57/11,953.78
6. Step 6: Final answer
   x = 5,450.23