Finding the Fourth Proportional to 12,570.72, 17,348.40 and 7,266.84

Step by Step Solution

1. Step 1: Write the proportion equation
   12,570.72 : 17,348.40 = 7,266.84 : x
2. Step 2: Convert to fraction form
   12,570.72/17,348.40 = 7,266.84/x
3. Step 3: Cross multiply
   12,570.72x = 17,348.40 × 7,266.84
4. Step 4: Simplify right side
   12,570.72x = 126,068,047.06
5. Step 5: Solve for x
   x = 126,068,047.06/12,570.72
6. Step 6: Final answer
   x = 10,028.71