Finding the Fourth Proportional to 1,886.56, 2,831.60 and 962.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,886.56 : 2,831.60 = 962.76 : x
2. Step 2: Convert to fraction form
   1,886.56/2,831.60 = 962.76/x
3. Step 3: Cross multiply
   1,886.56x = 2,831.60 × 962.76
4. Step 4: Simplify right side
   1,886.56x = 2,726,151.22
5. Step 5: Solve for x
   x = 2,726,151.22/1,886.56
6. Step 6: Final answer
   x = 1,445.04