Finding the Fourth Proportional to 21,024.84, 29,013.01 and 12,071.51

Step by Step Solution

1. Step 1: Write the proportion equation
   21,024.84 : 29,013.01 = 12,071.51 : x
2. Step 2: Convert to fraction form
   21,024.84/29,013.01 = 12,071.51/x
3. Step 3: Cross multiply
   21,024.84x = 29,013.01 × 12,071.51
4. Step 4: Simplify right side
   21,024.84x = 350,230,665.10
5. Step 5: Solve for x
   x = 350,230,665.10/21,024.84
6. Step 6: Final answer
   x = 16,657.95