Finding the Fourth Proportional to 34,766.72, 47,968.96 and 20,622.72

Step by Step Solution

1. Step 1: Write the proportion equation
   34,766.72 : 47,968.96 = 20,622.72 : x
2. Step 2: Convert to fraction form
   34,766.72/47,968.96 = 20,622.72/x
3. Step 3: Cross multiply
   34,766.72x = 47,968.96 × 20,622.72
4. Step 4: Simplify right side
   34,766.72x = 989,250,430.77
5. Step 5: Solve for x
   x = 989,250,430.77/34,766.72
6. Step 6: Final answer
   x = 28,453.95