Finding the Fourth Proportional to 21,074.63, 31,613.39 and 7,034.09

Step by Step Solution

1. Step 1: Write the proportion equation
   21,074.63 : 31,613.39 = 7,034.09 : x
2. Step 2: Convert to fraction form
   21,074.63/31,613.39 = 7,034.09/x
3. Step 3: Cross multiply
   21,074.63x = 31,613.39 × 7,034.09
4. Step 4: Simplify right side
   21,074.63x = 222,371,441.43
5. Step 5: Solve for x
   x = 222,371,441.43/21,074.63
6. Step 6: Final answer
   x = 10,551.62