Finding the Fourth Proportional to 21,870.52, 32,818.74 and 8,029.24

Step by Step Solution

1. Step 1: Write the proportion equation
   21,870.52 : 32,818.74 = 8,029.24 : x
2. Step 2: Convert to fraction form
   21,870.52/32,818.74 = 8,029.24/x
3. Step 3: Cross multiply
   21,870.52x = 32,818.74 × 8,029.24
4. Step 4: Simplify right side
   21,870.52x = 263,509,539.96
5. Step 5: Solve for x
   x = 263,509,539.96/21,870.52
6. Step 6: Final answer
   x = 12,048.62