Finding the Fourth Proportional to 1,363.58, 1,881.79 and 774.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,363.58 : 1,881.79 = 774.10 : x
2. Step 2: Convert to fraction form
   1,363.58/1,881.79 = 774.10/x
3. Step 3: Cross multiply
   1,363.58x = 1,881.79 × 774.10
4. Step 4: Simplify right side
   1,363.58x = 1,456,693.64
5. Step 5: Solve for x
   x = 1,456,693.64/1,363.58
6. Step 6: Final answer
   x = 1,068.29