Finding the Fourth Proportional to 19,443.90, 29,205.93 and 12,801.09

Step by Step Solution

1. Step 1: Write the proportion equation
   19,443.90 : 29,205.93 = 12,801.09 : x
2. Step 2: Convert to fraction form
   19,443.90/29,205.93 = 12,801.09/x
3. Step 3: Cross multiply
   19,443.90x = 29,205.93 × 12,801.09
4. Step 4: Simplify right side
   19,443.90x = 373,867,738.46
5. Step 5: Solve for x
   x = 373,867,738.46/19,443.90
6. Step 6: Final answer
   x = 19,228.02