Finding the Fourth Proportional to 10,100.57, 13,936.47 and 5,791.67

Step by Step Solution

1. Step 1: Write the proportion equation
   10,100.57 : 13,936.47 = 5,791.67 : x
2. Step 2: Convert to fraction form
   10,100.57/13,936.47 = 5,791.67/x
3. Step 3: Cross multiply
   10,100.57x = 13,936.47 × 5,791.67
4. Step 4: Simplify right side
   10,100.57x = 80,715,470.05
5. Step 5: Solve for x
   x = 80,715,470.05/10,100.57
6. Step 6: Final answer
   x = 7,991.18