Finding the Fourth Proportional to 21,967.16, 30,307.02 and 15,251

Step by Step Solution

1. Step 1: Write the proportion equation
   21,967.16 : 30,307.02 = 15,251 : x
2. Step 2: Convert to fraction form
   21,967.16/30,307.02 = 15,251/x
3. Step 3: Cross multiply
   21,967.16x = 30,307.02 × 15,251
4. Step 4: Simplify right side
   21,967.16x = 462,212,362.02
5. Step 5: Solve for x
   x = 462,212,362.02/21,967.16
6. Step 6: Final answer
   x = 21,041.06