Finding the Fourth Proportional to 31,616.06, 47,423.54 and 9,429.50

Step by Step Solution

1. Step 1: Write the proportion equation
   31,616.06 : 47,423.54 = 9,429.50 : x
2. Step 2: Convert to fraction form
   31,616.06/47,423.54 = 9,429.50/x
3. Step 3: Cross multiply
   31,616.06x = 47,423.54 × 9,429.50
4. Step 4: Simplify right side
   31,616.06x = 447,180,056.89
5. Step 5: Solve for x
   x = 447,180,056.89/31,616.06
6. Step 6: Final answer
   x = 14,144.08