Finding the Fourth Proportional to 7,929.80, 10,948.50 and 7,087.82

Step by Step Solution

1. Step 1: Write the proportion equation
   7,929.80 : 10,948.50 = 7,087.82 : x
2. Step 2: Convert to fraction form
   7,929.80/10,948.50 = 7,087.82/x
3. Step 3: Cross multiply
   7,929.80x = 10,948.50 × 7,087.82
4. Step 4: Simplify right side
   7,929.80x = 77,600,997.27
5. Step 5: Solve for x
   x = 77,600,997.27/7,929.80
6. Step 6: Final answer
   x = 9,786.00