Finding the Fourth Proportional to 47,401.30, 71,097.24 and 12,340.96

Step by Step Solution

1. Step 1: Write the proportion equation
   47,401.30 : 71,097.24 = 12,340.96 : x
2. Step 2: Convert to fraction form
   47,401.30/71,097.24 = 12,340.96/x
3. Step 3: Cross multiply
   47,401.30x = 71,097.24 × 12,340.96
4. Step 4: Simplify right side
   47,401.30x = 877,408,063.49
5. Step 5: Solve for x
   x = 877,408,063.49/47,401.30
6. Step 6: Final answer
   x = 18,510.21