Finding the Fourth Proportional to 2,128.67, 3,191.52 and 895.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,128.67 : 3,191.52 = 895.07 : x
2. Step 2: Convert to fraction form
   2,128.67/3,191.52 = 895.07/x
3. Step 3: Cross multiply
   2,128.67x = 3,191.52 × 895.07
4. Step 4: Simplify right side
   2,128.67x = 2,856,641.79
5. Step 5: Solve for x
   x = 2,856,641.79/2,128.67
6. Step 6: Final answer
   x = 1,341.99