Finding the Fourth Proportional to 1,753.07, 2,628.50 and 829.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,753.07 : 2,628.50 = 829.05 : x
2. Step 2: Convert to fraction form
   1,753.07/2,628.50 = 829.05/x
3. Step 3: Cross multiply
   1,753.07x = 2,628.50 × 829.05
4. Step 4: Simplify right side
   1,753.07x = 2,179,153.78
5. Step 5: Solve for x
   x = 2,179,153.78/1,753.07
6. Step 6: Final answer
   x = 1,243.05