Finding the Fourth Proportional to 47,173.72, 65,072.70 and 29,479

Step by Step Solution

1. Step 1: Write the proportion equation
   47,173.72 : 65,072.70 = 29,479 : x
2. Step 2: Convert to fraction form
   47,173.72/65,072.70 = 29,479/x
3. Step 3: Cross multiply
   47,173.72x = 65,072.70 × 29,479
4. Step 4: Simplify right side
   47,173.72x = 1,918,278,123.30
5. Step 5: Solve for x
   x = 1,918,278,123.30/47,173.72
6. Step 6: Final answer
   x = 40,664.13