Finding the Fourth Proportional to 2,868.51, 3,955.43 and 2,492.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,868.51 : 3,955.43 = 2,492.17 : x
2. Step 2: Convert to fraction form
   2,868.51/3,955.43 = 2,492.17/x
3. Step 3: Cross multiply
   2,868.51x = 3,955.43 × 2,492.17
4. Step 4: Simplify right side
   2,868.51x = 9,857,600.32
5. Step 5: Solve for x
   x = 9,857,600.32/2,868.51
6. Step 6: Final answer
   x = 3,436.48