Finding the Fourth Proportional to 2,864.88, 3,952.53 and 1,802.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,864.88 : 3,952.53 = 1,802.16 : x
2. Step 2: Convert to fraction form
   2,864.88/3,952.53 = 1,802.16/x
3. Step 3: Cross multiply
   2,864.88x = 3,952.53 × 1,802.16
4. Step 4: Simplify right side
   2,864.88x = 7,123,091.46
5. Step 5: Solve for x
   x = 7,123,091.46/2,864.88
6. Step 6: Final answer
   x = 2,486.35