Finding the Fourth Proportional to 47,934.72, 71,908.56 and 45,018.72

Step by Step Solution

1. Step 1: Write the proportion equation
   47,934.72 : 71,908.56 = 45,018.72 : x
2. Step 2: Convert to fraction form
   47,934.72/71,908.56 = 45,018.72/x
3. Step 3: Cross multiply
   47,934.72x = 71,908.56 × 45,018.72
4. Step 4: Simplify right side
   47,934.72x = 3,237,231,328.24
5. Step 5: Solve for x
   x = 3,237,231,328.24/47,934.72
6. Step 6: Final answer
   x = 67,534.17