Finding the Fourth Proportional to 9,910.06, 13,675.77 and 5,718.22

Step by Step Solution

1. Step 1: Write the proportion equation
   9,910.06 : 13,675.77 = 5,718.22 : x
2. Step 2: Convert to fraction form
   9,910.06/13,675.77 = 5,718.22/x
3. Step 3: Cross multiply
   9,910.06x = 13,675.77 × 5,718.22
4. Step 4: Simplify right side
   9,910.06x = 78,201,061.53
5. Step 5: Solve for x
   x = 78,201,061.53/9,910.06
6. Step 6: Final answer
   x = 7,891.08