Finding the Fourth Proportional to 1,820.29, 2,727.82 and 1,038.67

Step by Step Solution

1. Step 1: Write the proportion equation
   1,820.29 : 2,727.82 = 1,038.67 : x
2. Step 2: Convert to fraction form
   1,820.29/2,727.82 = 1,038.67/x
3. Step 3: Cross multiply
   1,820.29x = 2,727.82 × 1,038.67
4. Step 4: Simplify right side
   1,820.29x = 2,833,304.80
5. Step 5: Solve for x
   x = 2,833,304.80/1,820.29
6. Step 6: Final answer
   x = 1,556.51