Finding the Fourth Proportional to 8,799.84, 12,128.94 and 5,650.56

Step by Step Solution

1. Step 1: Write the proportion equation
   8,799.84 : 12,128.94 = 5,650.56 : x
2. Step 2: Convert to fraction form
   8,799.84/12,128.94 = 5,650.56/x
3. Step 3: Cross multiply
   8,799.84x = 12,128.94 × 5,650.56
4. Step 4: Simplify right side
   8,799.84x = 68,535,303.21
5. Step 5: Solve for x
   x = 68,535,303.21/8,799.84
6. Step 6: Final answer
   x = 7,788.24