Finding the Fourth Proportional to 10,513.08, 14,497.32 and 7,680.84

Step by Step Solution

1. Step 1: Write the proportion equation
   10,513.08 : 14,497.32 = 7,680.84 : x
2. Step 2: Convert to fraction form
   10,513.08/14,497.32 = 7,680.84/x
3. Step 3: Cross multiply
   10,513.08x = 14,497.32 × 7,680.84
4. Step 4: Simplify right side
   10,513.08x = 111,351,595.35
5. Step 5: Solve for x
   x = 111,351,595.35/10,513.08
6. Step 6: Final answer
   x = 10,591.72