Finding the Fourth Proportional to 14,300.22, 21,352.52 and 12,809.82

Step by Step Solution

1. Step 1: Write the proportion equation
   14,300.22 : 21,352.52 = 12,809.82 : x
2. Step 2: Convert to fraction form
   14,300.22/21,352.52 = 12,809.82/x
3. Step 3: Cross multiply
   14,300.22x = 21,352.52 × 12,809.82
4. Step 4: Simplify right side
   14,300.22x = 273,521,873.70
5. Step 5: Solve for x
   x = 273,521,873.70/14,300.22
6. Step 6: Final answer
   x = 19,127.11