Finding the Fourth Proportional to 34,308.72, 47,355.17 and 20,170.98

Step by Step Solution

1. Step 1: Write the proportion equation
   34,308.72 : 47,355.17 = 20,170.98 : x
2. Step 2: Convert to fraction form
   34,308.72/47,355.17 = 20,170.98/x
3. Step 3: Cross multiply
   34,308.72x = 47,355.17 × 20,170.98
4. Step 4: Simplify right side
   34,308.72x = 955,200,086.11
5. Step 5: Solve for x
   x = 955,200,086.11/34,308.72
6. Step 6: Final answer
   x = 27,841.32