Finding the Fourth Proportional to 10,108.15, 13,947.59 and 5,630.89

Step by Step Solution

1. Step 1: Write the proportion equation
   10,108.15 : 13,947.59 = 5,630.89 : x
2. Step 2: Convert to fraction form
   10,108.15/13,947.59 = 5,630.89/x
3. Step 3: Cross multiply
   10,108.15x = 13,947.59 × 5,630.89
4. Step 4: Simplify right side
   10,108.15x = 78,537,316.90
5. Step 5: Solve for x
   x = 78,537,316.90/10,108.15
6. Step 6: Final answer
   x = 7,769.70