Finding the Fourth Proportional to 1,735.73, 2,602.52 and 810.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,735.73 : 2,602.52 = 810.89 : x
2. Step 2: Convert to fraction form
   1,735.73/2,602.52 = 810.89/x
3. Step 3: Cross multiply
   1,735.73x = 2,602.52 × 810.89
4. Step 4: Simplify right side
   1,735.73x = 2,110,353.39
5. Step 5: Solve for x
   x = 2,110,353.39/1,735.73
6. Step 6: Final answer
   x = 1,215.83