Finding the Fourth Proportional to 9,103.97, 13,680.65 and 4,947.05

Step by Step Solution

1. Step 1: Write the proportion equation
   9,103.97 : 13,680.65 = 4,947.05 : x
2. Step 2: Convert to fraction form
   9,103.97/13,680.65 = 4,947.05/x
3. Step 3: Cross multiply
   9,103.97x = 13,680.65 × 4,947.05
4. Step 4: Simplify right side
   9,103.97x = 67,678,803.55
5. Step 5: Solve for x
   x = 67,678,803.55/9,103.97
6. Step 6: Final answer
   x = 7,433.99