Finding the Fourth Proportional to 11,920.39, 17,873.61 and 3,597.91

Step by Step Solution

1. Step 1: Write the proportion equation
   11,920.39 : 17,873.61 = 3,597.91 : x
2. Step 2: Convert to fraction form
   11,920.39/17,873.61 = 3,597.91/x
3. Step 3: Cross multiply
   11,920.39x = 17,873.61 × 3,597.91
4. Step 4: Simplify right side
   11,920.39x = 64,307,640.16
5. Step 5: Solve for x
   x = 64,307,640.16/11,920.39
6. Step 6: Final answer
   x = 5,394.76