Finding the Fourth Proportional to 8,680.39, 13,015.42 and 4,732.25

Step by Step Solution

1. Step 1: Write the proportion equation
   8,680.39 : 13,015.42 = 4,732.25 : x
2. Step 2: Convert to fraction form
   8,680.39/13,015.42 = 4,732.25/x
3. Step 3: Cross multiply
   8,680.39x = 13,015.42 × 4,732.25
4. Step 4: Simplify right side
   8,680.39x = 61,592,144.39
5. Step 5: Solve for x
   x = 61,592,144.39/8,680.39
6. Step 6: Final answer
   x = 7,095.55