Finding the Fourth Proportional to 6,100.69, 8,424.93 and 5,211.31

Step by Step Solution

1. Step 1: Write the proportion equation
   6,100.69 : 8,424.93 = 5,211.31 : x
2. Step 2: Convert to fraction form
   6,100.69/8,424.93 = 5,211.31/x
3. Step 3: Cross multiply
   6,100.69x = 8,424.93 × 5,211.31
4. Step 4: Simplify right side
   6,100.69x = 43,904,921.96
5. Step 5: Solve for x
   x = 43,904,921.96/6,100.69
6. Step 6: Final answer
   x = 7,196.71