Finding the Fourth Proportional to 2,072.64, 2,860.34 and 1,233.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,072.64 : 2,860.34 = 1,233.15 : x
2. Step 2: Convert to fraction form
   2,072.64/2,860.34 = 1,233.15/x
3. Step 3: Cross multiply
   2,072.64x = 2,860.34 × 1,233.15
4. Step 4: Simplify right side
   2,072.64x = 3,527,228.27
5. Step 5: Solve for x
   x = 3,527,228.27/2,072.64
6. Step 6: Final answer
   x = 1,701.80