Finding the Fourth Proportional to 1,364.07, 1,882.34 and 774.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,364.07 : 1,882.34 = 774.56 : x
2. Step 2: Convert to fraction form
   1,364.07/1,882.34 = 774.56/x
3. Step 3: Cross multiply
   1,364.07x = 1,882.34 × 774.56
4. Step 4: Simplify right side
   1,364.07x = 1,457,989.01
5. Step 5: Solve for x
   x = 1,457,989.01/1,364.07
6. Step 6: Final answer
   x = 1,068.86