Finding the Fourth Proportional to 1,912.52, 2,869.82 and 886.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,912.52 : 2,869.82 = 886.52 : x
2. Step 2: Convert to fraction form
   1,912.52/2,869.82 = 886.52/x
3. Step 3: Cross multiply
   1,912.52x = 2,869.82 × 886.52
4. Step 4: Simplify right side
   1,912.52x = 2,544,152.83
5. Step 5: Solve for x
   x = 2,544,152.83/1,912.52
6. Step 6: Final answer
   x = 1,330.26