Finding the Fourth Proportional to 2,100.75, 3,152.03 and 801.87

Step by Step Solution

1. Step 1: Write the proportion equation
   2,100.75 : 3,152.03 = 801.87 : x
2. Step 2: Convert to fraction form
   2,100.75/3,152.03 = 801.87/x
3. Step 3: Cross multiply
   2,100.75x = 3,152.03 × 801.87
4. Step 4: Simplify right side
   2,100.75x = 2,527,514.29
5. Step 5: Solve for x
   x = 2,527,514.29/2,100.75
6. Step 6: Final answer
   x = 1,203.15