Finding the Fourth Proportional to 34,071.98, 47,009.89 and 20,456.48

Step by Step Solution

1. Step 1: Write the proportion equation
   34,071.98 : 47,009.89 = 20,456.48 : x
2. Step 2: Convert to fraction form
   34,071.98/47,009.89 = 20,456.48/x
3. Step 3: Cross multiply
   34,071.98x = 47,009.89 × 20,456.48
4. Step 4: Simplify right side
   34,071.98x = 961,656,902.61
5. Step 5: Solve for x
   x = 961,656,902.61/34,071.98
6. Step 6: Final answer
   x = 28,224.28