Finding the Fourth Proportional to 47,179.72, 65,080.96 and 29,485

Step by Step Solution

1. Step 1: Write the proportion equation
   47,179.72 : 65,080.96 = 29,485 : x
2. Step 2: Convert to fraction form
   47,179.72/65,080.96 = 29,485/x
3. Step 3: Cross multiply
   47,179.72x = 65,080.96 × 29,485
4. Step 4: Simplify right side
   47,179.72x = 1,918,912,105.60
5. Step 5: Solve for x
   x = 1,918,912,105.60/47,179.72
6. Step 6: Final answer
   x = 40,672.39