Finding the Fourth Proportional to 10,105.42, 13,947.63 and 6,791.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,105.42 : 13,947.63 = 6,791.50 : x
2. Step 2: Convert to fraction form
   10,105.42/13,947.63 = 6,791.50/x
3. Step 3: Cross multiply
   10,105.42x = 13,947.63 × 6,791.50
4. Step 4: Simplify right side
   10,105.42x = 94,725,329.15
5. Step 5: Solve for x
   x = 94,725,329.15/10,105.42
6. Step 6: Final answer
   x = 9,373.72