Finding the Fourth Proportional to 7,215.09, 10,799.96 and 7,046.61

Step by Step Solution

1. Step 1: Write the proportion equation
   7,215.09 : 10,799.96 = 7,046.61 : x
2. Step 2: Convert to fraction form
   7,215.09/10,799.96 = 7,046.61/x
3. Step 3: Cross multiply
   7,215.09x = 10,799.96 × 7,046.61
4. Step 4: Simplify right side
   7,215.09x = 76,103,070.90
5. Step 5: Solve for x
   x = 76,103,070.90/7,215.09
6. Step 6: Final answer
   x = 10,547.76