Finding the Fourth Proportional to 21,483.94, 32,234.10 and 8,345.56

Step by Step Solution

1. Step 1: Write the proportion equation
   21,483.94 : 32,234.10 = 8,345.56 : x
2. Step 2: Convert to fraction form
   21,483.94/32,234.10 = 8,345.56/x
3. Step 3: Cross multiply
   21,483.94x = 32,234.10 × 8,345.56
4. Step 4: Simplify right side
   21,483.94x = 269,011,615.60
5. Step 5: Solve for x
   x = 269,011,615.60/21,483.94
6. Step 6: Final answer
   x = 12,521.52