Finding the Fourth Proportional to 10,100.82, 13,939.38 and 5,624.31

Step by Step Solution

1. Step 1: Write the proportion equation
   10,100.82 : 13,939.38 = 5,624.31 : x
2. Step 2: Convert to fraction form
   10,100.82/13,939.38 = 5,624.31/x
3. Step 3: Cross multiply
   10,100.82x = 13,939.38 × 5,624.31
4. Step 4: Simplify right side
   10,100.82x = 78,399,394.33
5. Step 5: Solve for x
   x = 78,399,394.33/10,100.82
6. Step 6: Final answer
   x = 7,761.69