Finding the Fourth Proportional to 2,038.91, 3,056.91 and 852.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,038.91 : 3,056.91 = 852.91 : x
2. Step 2: Convert to fraction form
   2,038.91/3,056.91 = 852.91/x
3. Step 3: Cross multiply
   2,038.91x = 3,056.91 × 852.91
4. Step 4: Simplify right side
   2,038.91x = 2,607,258.27
5. Step 5: Solve for x
   x = 2,607,258.27/2,038.91
6. Step 6: Final answer
   x = 1,278.75