Finding the Fourth Proportional to 1,401.96, 2,101.34 and 852.93

Step by Step Solution

1. Step 1: Write the proportion equation
   1,401.96 : 2,101.34 = 852.93 : x
2. Step 2: Convert to fraction form
   1,401.96/2,101.34 = 852.93/x
3. Step 3: Cross multiply
   1,401.96x = 2,101.34 × 852.93
4. Step 4: Simplify right side
   1,401.96x = 1,792,298.06
5. Step 5: Solve for x
   x = 1,792,298.06/1,401.96
6. Step 6: Final answer
   x = 1,278.42