Finding the Fourth Proportional to 20,568.84, 30,845.82 and 7,417.68

Step by Step Solution

1. Step 1: Write the proportion equation
   20,568.84 : 30,845.82 = 7,417.68 : x
2. Step 2: Convert to fraction form
   20,568.84/30,845.82 = 7,417.68/x
3. Step 3: Cross multiply
   20,568.84x = 30,845.82 × 7,417.68
4. Step 4: Simplify right side
   20,568.84x = 228,804,422.10
5. Step 5: Solve for x
   x = 228,804,422.10/20,568.84
6. Step 6: Final answer
   x = 11,123.84