Finding the Fourth Proportional to 1,748.69, 2,623.94 and 774.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,748.69 : 2,623.94 = 774.56 : x
2. Step 2: Convert to fraction form
   1,748.69/2,623.94 = 774.56/x
3. Step 3: Cross multiply
   1,748.69x = 2,623.94 × 774.56
4. Step 4: Simplify right side
   1,748.69x = 2,032,408.91
5. Step 5: Solve for x
   x = 2,032,408.91/1,748.69
6. Step 6: Final answer
   x = 1,162.25