Finding the Fourth Proportional to 21,084.68, 29,098.50 and 11,654.12

Step by Step Solution

1. Step 1: Write the proportion equation
   21,084.68 : 29,098.50 = 11,654.12 : x
2. Step 2: Convert to fraction form
   21,084.68/29,098.50 = 11,654.12/x
3. Step 3: Cross multiply
   21,084.68x = 29,098.50 × 11,654.12
4. Step 4: Simplify right side
   21,084.68x = 339,117,410.82
5. Step 5: Solve for x
   x = 339,117,410.82/21,084.68
6. Step 6: Final answer
   x = 16,083.59