Finding the Fourth Proportional to 2,868.51, 3,955.91 and 1,873.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,868.51 : 3,955.91 = 1,873.42 : x
2. Step 2: Convert to fraction form
   2,868.51/3,955.91 = 1,873.42/x
3. Step 3: Cross multiply
   2,868.51x = 3,955.91 × 1,873.42
4. Step 4: Simplify right side
   2,868.51x = 7,411,085.60
5. Step 5: Solve for x
   x = 7,411,085.60/2,868.51
6. Step 6: Final answer
   x = 2,583.61