Finding the Fourth Proportional to 8,769.39, 12,101.61 and 4,790.43

Step by Step Solution

1. Step 1: Write the proportion equation
   8,769.39 : 12,101.61 = 4,790.43 : x
2. Step 2: Convert to fraction form
   8,769.39/12,101.61 = 4,790.43/x
3. Step 3: Cross multiply
   8,769.39x = 12,101.61 × 4,790.43
4. Step 4: Simplify right side
   8,769.39x = 57,971,915.59
5. Step 5: Solve for x
   x = 57,971,915.59/8,769.39
6. Step 6: Final answer
   x = 6,610.71