Finding the Fourth Proportional to 11,079.39, 16,615.47 and 3,681.86

Step by Step Solution

1. Step 1: Write the proportion equation
   11,079.39 : 16,615.47 = 3,681.86 : x
2. Step 2: Convert to fraction form
   11,079.39/16,615.47 = 3,681.86/x
3. Step 3: Cross multiply
   11,079.39x = 16,615.47 × 3,681.86
4. Step 4: Simplify right side
   11,079.39x = 61,175,825.17
5. Step 5: Solve for x
   x = 61,175,825.17/11,079.39
6. Step 6: Final answer
   x = 5,521.59