Finding the Fourth Proportional to 21,152.33, 29,188.92 and 12,079.52

Step by Step Solution

1. Step 1: Write the proportion equation
   21,152.33 : 29,188.92 = 12,079.52 : x
2. Step 2: Convert to fraction form
   21,152.33/29,188.92 = 12,079.52/x
3. Step 3: Cross multiply
   21,152.33x = 29,188.92 × 12,079.52
4. Step 4: Simplify right side
   21,152.33x = 352,588,142.92
5. Step 5: Solve for x
   x = 352,588,142.92/21,152.33
6. Step 6: Final answer
   x = 16,669.00