Finding the Fourth Proportional to 6,891.05, 10,323.56 and 4,071.47

Step by Step Solution

1. Step 1: Write the proportion equation
   6,891.05 : 10,323.56 = 4,071.47 : x
2. Step 2: Convert to fraction form
   6,891.05/10,323.56 = 4,071.47/x
3. Step 3: Cross multiply
   6,891.05x = 10,323.56 × 4,071.47
4. Step 4: Simplify right side
   6,891.05x = 42,032,013.22
5. Step 5: Solve for x
   x = 42,032,013.22/6,891.05
6. Step 6: Final answer
   x = 6,099.51