Finding the Fourth Proportional to 1,519.51, 2,096.93 and 820.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,519.51 : 2,096.93 = 820.89 : x
2. Step 2: Convert to fraction form
   1,519.51/2,096.93 = 820.89/x
3. Step 3: Cross multiply
   1,519.51x = 2,096.93 × 820.89
4. Step 4: Simplify right side
   1,519.51x = 1,721,340.40
5. Step 5: Solve for x
   x = 1,721,340.40/1,519.51
6. Step 6: Final answer
   x = 1,132.82