Finding the Fourth Proportional to 8,709.76, 12,019.60 and 4,932.83

Step by Step Solution

1. Step 1: Write the proportion equation
   8,709.76 : 12,019.60 = 4,932.83 : x
2. Step 2: Convert to fraction form
   8,709.76/12,019.60 = 4,932.83/x
3. Step 3: Cross multiply
   8,709.76x = 12,019.60 × 4,932.83
4. Step 4: Simplify right side
   8,709.76x = 59,290,588.75
5. Step 5: Solve for x
   x = 59,290,588.75/8,709.76
6. Step 6: Final answer
   x = 6,807.38