Finding the Fourth Proportional to 9,212.77, 12,710.02 and 5,669.83

Step by Step Solution

1. Step 1: Write the proportion equation
   9,212.77 : 12,710.02 = 5,669.83 : x
2. Step 2: Convert to fraction form
   9,212.77/12,710.02 = 5,669.83/x
3. Step 3: Cross multiply
   9,212.77x = 12,710.02 × 5,669.83
4. Step 4: Simplify right side
   9,212.77x = 72,063,652.70
5. Step 5: Solve for x
   x = 72,063,652.70/9,212.77
6. Step 6: Final answer
   x = 7,822.15