Finding the Fourth Proportional to 11,808.05, 16,275.06 and 7,822.22

Step by Step Solution

1. Step 1: Write the proportion equation
   11,808.05 : 16,275.06 = 7,822.22 : x
2. Step 2: Convert to fraction form
   11,808.05/16,275.06 = 7,822.22/x
3. Step 3: Cross multiply
   11,808.05x = 16,275.06 × 7,822.22
4. Step 4: Simplify right side
   11,808.05x = 127,307,018.46
5. Step 5: Solve for x
   x = 127,307,018.46/11,808.05
6. Step 6: Final answer
   x = 10,781.38