Finding the Fourth Proportional to 8,709.92, 12,019.72 and 4,730.98

Step by Step Solution

1. Step 1: Write the proportion equation
   8,709.92 : 12,019.72 = 4,730.98 : x
2. Step 2: Convert to fraction form
   8,709.92/12,019.72 = 4,730.98/x
3. Step 3: Cross multiply
   8,709.92x = 12,019.72 × 4,730.98
4. Step 4: Simplify right side
   8,709.92x = 56,865,054.93
5. Step 5: Solve for x
   x = 56,865,054.93/8,709.92
6. Step 6: Final answer
   x = 6,528.77