Finding the Fourth Proportional to 14,417.33, 21,482.67 and 12,845.25

Step by Step Solution

1. Step 1: Write the proportion equation
   14,417.33 : 21,482.67 = 12,845.25 : x
2. Step 2: Convert to fraction form
   14,417.33/21,482.67 = 12,845.25/x
3. Step 3: Cross multiply
   14,417.33x = 21,482.67 × 12,845.25
4. Step 4: Simplify right side
   14,417.33x = 275,950,266.82
5. Step 5: Solve for x
   x = 275,950,266.82/14,417.33
6. Step 6: Final answer
   x = 19,140.18