Finding the Fourth Proportional to 1,401.93, 2,100.16 and 852.75

Step by Step Solution

1. Step 1: Write the proportion equation
   1,401.93 : 2,100.16 = 852.75 : x
2. Step 2: Convert to fraction form
   1,401.93/2,100.16 = 852.75/x
3. Step 3: Cross multiply
   1,401.93x = 2,100.16 × 852.75
4. Step 4: Simplify right side
   1,401.93x = 1,790,911.44
5. Step 5: Solve for x
   x = 1,790,911.44/1,401.93
6. Step 6: Final answer
   x = 1,277.46