Finding the Fourth Proportional to 21,500.34, 29,673.27 and 12,068.91

Step by Step Solution

1. Step 1: Write the proportion equation
   21,500.34 : 29,673.27 = 12,068.91 : x
2. Step 2: Convert to fraction form
   21,500.34/29,673.27 = 12,068.91/x
3. Step 3: Cross multiply
   21,500.34x = 29,673.27 × 12,068.91
4. Step 4: Simplify right side
   21,500.34x = 358,124,025.04
5. Step 5: Solve for x
   x = 358,124,025.04/21,500.34
6. Step 6: Final answer
   x = 16,656.67