Finding the Fourth Proportional to 21,179.27, 31,762.83 and 8,529.00

Step by Step Solution

1. Step 1: Write the proportion equation
   21,179.27 : 31,762.83 = 8,529.00 : x
2. Step 2: Convert to fraction form
   21,179.27/31,762.83 = 8,529.00/x
3. Step 3: Cross multiply
   21,179.27x = 31,762.83 × 8,529.00
4. Step 4: Simplify right side
   21,179.27x = 270,905,089.94
5. Step 5: Solve for x
   x = 270,905,089.94/21,179.27
6. Step 6: Final answer
   x = 12,791.05