Finding the Fourth Proportional to 21,017.54, 29,004.33 and 12,064.82

Step by Step Solution

1. Step 1: Write the proportion equation
   21,017.54 : 29,004.33 = 12,064.82 : x
2. Step 2: Convert to fraction form
   21,017.54/29,004.33 = 12,064.82/x
3. Step 3: Cross multiply
   21,017.54x = 29,004.33 × 12,064.82
4. Step 4: Simplify right side
   21,017.54x = 349,931,875.65
5. Step 5: Solve for x
   x = 349,931,875.65/21,017.54
6. Step 6: Final answer
   x = 16,649.52