Finding the Fourth Proportional to 7,568.93, 10,451.76 and 7,321.07

Step by Step Solution

1. Step 1: Write the proportion equation
   7,568.93 : 10,451.76 = 7,321.07 : x
2. Step 2: Convert to fraction form
   7,568.93/10,451.76 = 7,321.07/x
3. Step 3: Cross multiply
   7,568.93x = 10,451.76 × 7,321.07
4. Step 4: Simplify right side
   7,568.93x = 76,518,066.58
5. Step 5: Solve for x
   x = 76,518,066.58/7,568.93
6. Step 6: Final answer
   x = 10,109.50