Finding the Fourth Proportional to 21,498.01, 29,665.63 and 12,064.75

Step by Step Solution

1. Step 1: Write the proportion equation
   21,498.01 : 29,665.63 = 12,064.75 : x
2. Step 2: Convert to fraction form
   21,498.01/29,665.63 = 12,064.75/x
3. Step 3: Cross multiply
   21,498.01x = 29,665.63 × 12,064.75
4. Step 4: Simplify right side
   21,498.01x = 357,908,349.22
5. Step 5: Solve for x
   x = 357,908,349.22/21,498.01
6. Step 6: Final answer
   x = 16,648.44