Finding the Fourth Proportional to 34,354.89, 47,411.46 and 20,923.99

Step by Step Solution

1. Step 1: Write the proportion equation
   34,354.89 : 47,411.46 = 20,923.99 : x
2. Step 2: Convert to fraction form
   34,354.89/47,411.46 = 20,923.99/x
3. Step 3: Cross multiply
   34,354.89x = 47,411.46 × 20,923.99
4. Step 4: Simplify right side
   34,354.89x = 992,036,796.40
5. Step 5: Solve for x
   x = 992,036,796.40/34,354.89
6. Step 6: Final answer
   x = 28,876.15