Finding the Fourth Proportional to 51,672.72, 71,290 and 33,778.04

Step by Step Solution

1. Step 1: Write the proportion equation
   51,672.72 : 71,290 = 33,778.04 : x
2. Step 2: Convert to fraction form
   51,672.72/71,290 = 33,778.04/x
3. Step 3: Cross multiply
   51,672.72x = 71,290 × 33,778.04
4. Step 4: Simplify right side
   51,672.72x = 2,408,036,471.60
5. Step 5: Solve for x
   x = 2,408,036,471.60/51,672.72
6. Step 6: Final answer
   x = 46,601.70