Finding the Fourth Proportional to 12,570.71, 17,342.61 and 8,097.05

Step by Step Solution

1. Step 1: Write the proportion equation
   12,570.71 : 17,342.61 = 8,097.05 : x
2. Step 2: Convert to fraction form
   12,570.71/17,342.61 = 8,097.05/x
3. Step 3: Cross multiply
   12,570.71x = 17,342.61 × 8,097.05
4. Step 4: Simplify right side
   12,570.71x = 140,424,012.84
5. Step 5: Solve for x
   x = 140,424,012.84/12,570.71
6. Step 6: Final answer
   x = 11,170.73