Finding the Fourth Proportional to 8,630.34, 12,951.27 and 4,737.48

Step by Step Solution

1. Step 1: Write the proportion equation
   8,630.34 : 12,951.27 = 4,737.48 : x
2. Step 2: Convert to fraction form
   8,630.34/12,951.27 = 4,737.48/x
3. Step 3: Cross multiply
   8,630.34x = 12,951.27 × 4,737.48
4. Step 4: Simplify right side
   8,630.34x = 61,356,382.60
5. Step 5: Solve for x
   x = 61,356,382.60/8,630.34
6. Step 6: Final answer
   x = 7,109.38