Finding the Fourth Proportional to 2,084.84, 3,126.72 and 852.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,084.84 : 3,126.72 = 852.02 : x
2. Step 2: Convert to fraction form
   2,084.84/3,126.72 = 852.02/x
3. Step 3: Cross multiply
   2,084.84x = 3,126.72 × 852.02
4. Step 4: Simplify right side
   2,084.84x = 2,664,012.34
5. Step 5: Solve for x
   x = 2,664,012.34/2,084.84
6. Step 6: Final answer
   x = 1,277.80