Finding the Fourth Proportional to 7,933.50, 10,926.01 and 7,761.30

Step by Step Solution

1. Step 1: Write the proportion equation
   7,933.50 : 10,926.01 = 7,761.30 : x
2. Step 2: Convert to fraction form
   7,933.50/10,926.01 = 7,761.30/x
3. Step 3: Cross multiply
   7,933.50x = 10,926.01 × 7,761.30
4. Step 4: Simplify right side
   7,933.50x = 84,800,041.41
5. Step 5: Solve for x
   x = 84,800,041.41/7,933.50
6. Step 6: Final answer
   x = 10,688.86