Finding the Fourth Proportional to 10,100.63, 13,939.94 and 5,912.39

Step by Step Solution

1. Step 1: Write the proportion equation
   10,100.63 : 13,939.94 = 5,912.39 : x
2. Step 2: Convert to fraction form
   10,100.63/13,939.94 = 5,912.39/x
3. Step 3: Cross multiply
   10,100.63x = 13,939.94 × 5,912.39
4. Step 4: Simplify right side
   10,100.63x = 82,418,361.86
5. Step 5: Solve for x
   x = 82,418,361.86/10,100.63
6. Step 6: Final answer
   x = 8,159.72