Finding the Fourth Proportional to 1,300.35, 1,792.35 and 1,020.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,300.35 : 1,792.35 = 1,020.09 : x
2. Step 2: Convert to fraction form
   1,300.35/1,792.35 = 1,020.09/x
3. Step 3: Cross multiply
   1,300.35x = 1,792.35 × 1,020.09
4. Step 4: Simplify right side
   1,300.35x = 1,828,358.31
5. Step 5: Solve for x
   x = 1,828,358.31/1,300.35
6. Step 6: Final answer
   x = 1,406.05