Finding the Fourth Proportional to 2,128.60, 3,192.72 and 895.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,128.60 : 3,192.72 = 895.96 : x
2. Step 2: Convert to fraction form
   2,128.60/3,192.72 = 895.96/x
3. Step 3: Cross multiply
   2,128.60x = 3,192.72 × 895.96
4. Step 4: Simplify right side
   2,128.60x = 2,860,549.41
5. Step 5: Solve for x
   x = 2,860,549.41/2,128.60
6. Step 6: Final answer
   x = 1,343.86