Finding the Fourth Proportional to 6,912.51, 10,368.72 and 1,718.37

Step by Step Solution

1. Step 1: Write the proportion equation
   6,912.51 : 10,368.72 = 1,718.37 : x
2. Step 2: Convert to fraction form
   6,912.51/10,368.72 = 1,718.37/x
3. Step 3: Cross multiply
   6,912.51x = 10,368.72 × 1,718.37
4. Step 4: Simplify right side
   6,912.51x = 17,817,297.39
5. Step 5: Solve for x
   x = 17,817,297.39/6,912.51
6. Step 6: Final answer
   x = 2,577.54