Finding the Fourth Proportional to 8,759.51, 12,088.02 and 4,780.69

Step by Step Solution

1. Step 1: Write the proportion equation
   8,759.51 : 12,088.02 = 4,780.69 : x
2. Step 2: Convert to fraction form
   8,759.51/12,088.02 = 4,780.69/x
3. Step 3: Cross multiply
   8,759.51x = 12,088.02 × 4,780.69
4. Step 4: Simplify right side
   8,759.51x = 57,789,076.33
5. Step 5: Solve for x
   x = 57,789,076.33/8,759.51
6. Step 6: Final answer
   x = 6,597.30