Finding the Fourth Proportional to 2,168.53, 3,248.88 and 1,857.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,168.53 : 3,248.88 = 1,857.34 : x
2. Step 2: Convert to fraction form
   2,168.53/3,248.88 = 1,857.34/x
3. Step 3: Cross multiply
   2,168.53x = 3,248.88 × 1,857.34
4. Step 4: Simplify right side
   2,168.53x = 6,034,274.78
5. Step 5: Solve for x
   x = 6,034,274.78/2,168.53
6. Step 6: Final answer
   x = 2,782.66