Finding the Fourth Proportional to 7,680.67, 10,573.72 and 7,328.02

Step by Step Solution

1. Step 1: Write the proportion equation
   7,680.67 : 10,573.72 = 7,328.02 : x
2. Step 2: Convert to fraction form
   7,680.67/10,573.72 = 7,328.02/x
3. Step 3: Cross multiply
   7,680.67x = 10,573.72 × 7,328.02
4. Step 4: Simplify right side
   7,680.67x = 77,484,431.63
5. Step 5: Solve for x
   x = 77,484,431.63/7,680.67
6. Step 6: Final answer
   x = 10,088.24