Finding the Fourth Proportional to 10,093.72, 13,928.88 and 5,617.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,093.72 : 13,928.88 = 5,617.12 : x
2. Step 2: Convert to fraction form
   10,093.72/13,928.88 = 5,617.12/x
3. Step 3: Cross multiply
   10,093.72x = 13,928.88 × 5,617.12
4. Step 4: Simplify right side
   10,093.72x = 78,240,190.43
5. Step 5: Solve for x
   x = 78,240,190.43/10,093.72
6. Step 6: Final answer
   x = 7,751.37