Finding the Fourth Proportional to 21,445.71, 29,595.06 and 12,014.34

Step by Step Solution

1. Step 1: Write the proportion equation
   21,445.71 : 29,595.06 = 12,014.34 : x
2. Step 2: Convert to fraction form
   21,445.71/29,595.06 = 12,014.34/x
3. Step 3: Cross multiply
   21,445.71x = 29,595.06 × 12,014.34
4. Step 4: Simplify right side
   21,445.71x = 355,565,113.16
5. Step 5: Solve for x
   x = 355,565,113.16/21,445.71
6. Step 6: Final answer
   x = 16,579.78