Finding the Fourth Proportional to 21,967.47, 30,317.27 and 12,537.45

Step by Step Solution

1. Step 1: Write the proportion equation
   21,967.47 : 30,317.27 = 12,537.45 : x
2. Step 2: Convert to fraction form
   21,967.47/30,317.27 = 12,537.45/x
3. Step 3: Cross multiply
   21,967.47x = 30,317.27 × 12,537.45
4. Step 4: Simplify right side
   21,967.47x = 380,101,256.76
5. Step 5: Solve for x
   x = 380,101,256.76/21,967.47
6. Step 6: Final answer
   x = 17,302.91