Finding the Fourth Proportional to 21,804.76, 32,711.98 and 7,953.72

Step by Step Solution

1. Step 1: Write the proportion equation
   21,804.76 : 32,711.98 = 7,953.72 : x
2. Step 2: Convert to fraction form
   21,804.76/32,711.98 = 7,953.72/x
3. Step 3: Cross multiply
   21,804.76x = 32,711.98 × 7,953.72
4. Step 4: Simplify right side
   21,804.76x = 260,181,929.57
5. Step 5: Solve for x
   x = 260,181,929.57/21,804.76
6. Step 6: Final answer
   x = 11,932.35