Finding the Fourth Proportional to 7,678.17, 10,570.28 and 7,325.52

Step by Step Solution

1. Step 1: Write the proportion equation
   7,678.17 : 10,570.28 = 7,325.52 : x
2. Step 2: Convert to fraction form
   7,678.17/10,570.28 = 7,325.52/x
3. Step 3: Cross multiply
   7,678.17x = 10,570.28 × 7,325.52
4. Step 4: Simplify right side
   7,678.17x = 77,432,760.92
5. Step 5: Solve for x
   x = 77,432,760.92/7,678.17
6. Step 6: Final answer
   x = 10,084.79