Finding the Fourth Proportional to 8,709.94, 12,019.74 and 4,731.02

Step by Step Solution

1. Step 1: Write the proportion equation
   8,709.94 : 12,019.74 = 4,731.02 : x
2. Step 2: Convert to fraction form
   8,709.94/12,019.74 = 4,731.02/x
3. Step 3: Cross multiply
   8,709.94x = 12,019.74 × 4,731.02
4. Step 4: Simplify right side
   8,709.94x = 56,865,630.33
5. Step 5: Solve for x
   x = 56,865,630.33/8,709.94
6. Step 6: Final answer
   x = 6,528.82