Finding the Fourth Proportional to 21,495.94, 29,667.13 and 12,064.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,495.94 : 29,667.13 = 12,064.50 : x
2. Step 2: Convert to fraction form
   21,495.94/29,667.13 = 12,064.50/x
3. Step 3: Cross multiply
   21,495.94x = 29,667.13 × 12,064.50
4. Step 4: Simplify right side
   21,495.94x = 357,919,059.72
5. Step 5: Solve for x
   x = 357,919,059.72/21,495.94
6. Step 6: Final answer
   x = 16,650.54