Finding the Fourth Proportional to 1,748.56, 2,622.42 and 774.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,748.56 : 2,622.42 = 774.12 : x
2. Step 2: Convert to fraction form
   1,748.56/2,622.42 = 774.12/x
3. Step 3: Cross multiply
   1,748.56x = 2,622.42 × 774.12
4. Step 4: Simplify right side
   1,748.56x = 2,030,067.77
5. Step 5: Solve for x
   x = 2,030,067.77/1,748.56
6. Step 6: Final answer
   x = 1,160.99