Finding the Fourth Proportional to 3,570.07, 4,926.69 and 2,172.82

Step by Step Solution

1. Step 1: Write the proportion equation
   3,570.07 : 4,926.69 = 2,172.82 : x
2. Step 2: Convert to fraction form
   3,570.07/4,926.69 = 2,172.82/x
3. Step 3: Cross multiply
   3,570.07x = 4,926.69 × 2,172.82
4. Step 4: Simplify right side
   3,570.07x = 10,704,810.57
5. Step 5: Solve for x
   x = 10,704,810.57/3,570.07
6. Step 6: Final answer
   x = 2,998.49