Finding the Fourth Proportional to 1,363.06, 1,882.56 and 920.19

Step by Step Solution

1. Step 1: Write the proportion equation
   1,363.06 : 1,882.56 = 920.19 : x
2. Step 2: Convert to fraction form
   1,363.06/1,882.56 = 920.19/x
3. Step 3: Cross multiply
   1,363.06x = 1,882.56 × 920.19
4. Step 4: Simplify right side
   1,363.06x = 1,732,312.89
5. Step 5: Solve for x
   x = 1,732,312.89/1,363.06
6. Step 6: Final answer
   x = 1,270.90