Finding the Fourth Proportional to 21,298.82, 29,392.34 and 12,351.52

Step by Step Solution

1. Step 1: Write the proportion equation
   21,298.82 : 29,392.34 = 12,351.52 : x
2. Step 2: Convert to fraction form
   21,298.82/29,392.34 = 12,351.52/x
3. Step 3: Cross multiply
   21,298.82x = 29,392.34 × 12,351.52
4. Step 4: Simplify right side
   21,298.82x = 363,040,075.36
5. Step 5: Solve for x
   x = 363,040,075.36/21,298.82
6. Step 6: Final answer
   x = 17,045.08