Finding the Fourth Proportional to 10,106.72, 13,947.39 and 5,630.73

Step by Step Solution

1. Step 1: Write the proportion equation
   10,106.72 : 13,947.39 = 5,630.73 : x
2. Step 2: Convert to fraction form
   10,106.72/13,947.39 = 5,630.73/x
3. Step 3: Cross multiply
   10,106.72x = 13,947.39 × 5,630.73
4. Step 4: Simplify right side
   10,106.72x = 78,534,013.45
5. Step 5: Solve for x
   x = 78,534,013.45/10,106.72
6. Step 6: Final answer
   x = 7,770.47