Finding the Fourth Proportional to 21,046.01, 29,030.69 and 12,542.54

Step by Step Solution

1. Step 1: Write the proportion equation
   21,046.01 : 29,030.69 = 12,542.54 : x
2. Step 2: Convert to fraction form
   21,046.01/29,030.69 = 12,542.54/x
3. Step 3: Cross multiply
   21,046.01x = 29,030.69 × 12,542.54
4. Step 4: Simplify right side
   21,046.01x = 364,118,527.84
5. Step 5: Solve for x
   x = 364,118,527.84/21,046.01
6. Step 6: Final answer
   x = 17,301.07