Finding the Fourth Proportional to 6,365.31, 8,780.16 and 4,095.69

Step by Step Solution

1. Step 1: Write the proportion equation
   6,365.31 : 8,780.16 = 4,095.69 : x
2. Step 2: Convert to fraction form
   6,365.31/8,780.16 = 4,095.69/x
3. Step 3: Cross multiply
   6,365.31x = 8,780.16 × 4,095.69
4. Step 4: Simplify right side
   6,365.31x = 35,960,813.51
5. Step 5: Solve for x
   x = 35,960,813.51/6,365.31
6. Step 6: Final answer
   x = 5,649.50