Finding the Fourth Proportional to 34,540.82, 47,665.29 and 20,936.91

Step by Step Solution

1. Step 1: Write the proportion equation
   34,540.82 : 47,665.29 = 20,936.91 : x
2. Step 2: Convert to fraction form
   34,540.82/47,665.29 = 20,936.91/x
3. Step 3: Cross multiply
   34,540.82x = 47,665.29 × 20,936.91
4. Step 4: Simplify right side
   34,540.82x = 997,963,886.85
5. Step 5: Solve for x
   x = 997,963,886.85/34,540.82
6. Step 6: Final answer
   x = 28,892.31