Finding the Fourth Proportional to 47,165.65, 70,748.52 and 12,105.34

Step by Step Solution

1. Step 1: Write the proportion equation
   47,165.65 : 70,748.52 = 12,105.34 : x
2. Step 2: Convert to fraction form
   47,165.65/70,748.52 = 12,105.34/x
3. Step 3: Cross multiply
   47,165.65x = 70,748.52 × 12,105.34
4. Step 4: Simplify right side
   47,165.65x = 856,434,889.10
5. Step 5: Solve for x
   x = 856,434,889.10/47,165.65
6. Step 6: Final answer
   x = 18,158.02