Finding the Fourth Proportional to 1,363.47, 1,881.52 and 774.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,363.47 : 1,881.52 = 774.04 : x
2. Step 2: Convert to fraction form
   1,363.47/1,881.52 = 774.04/x
3. Step 3: Cross multiply
   1,363.47x = 1,881.52 × 774.04
4. Step 4: Simplify right side
   1,363.47x = 1,456,371.74
5. Step 5: Solve for x
   x = 1,456,371.74/1,363.47
6. Step 6: Final answer
   x = 1,068.14