Finding the Fourth Proportional to 8,759.34, 12,088.22 and 4,780.71

Step by Step Solution

1. Step 1: Write the proportion equation
   8,759.34 : 12,088.22 = 4,780.71 : x
2. Step 2: Convert to fraction form
   8,759.34/12,088.22 = 4,780.71/x
3. Step 3: Cross multiply
   8,759.34x = 12,088.22 × 4,780.71
4. Step 4: Simplify right side
   8,759.34x = 57,790,250.33
5. Step 5: Solve for x
   x = 57,790,250.33/8,759.34
6. Step 6: Final answer
   x = 6,597.56