Finding the Fourth Proportional to 1,301.10, 1,795.29 and 770.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,301.10 : 1,795.29 = 770.42 : x
2. Step 2: Convert to fraction form
   1,301.10/1,795.29 = 770.42/x
3. Step 3: Cross multiply
   1,301.10x = 1,795.29 × 770.42
4. Step 4: Simplify right side
   1,301.10x = 1,383,127.32
5. Step 5: Solve for x
   x = 1,383,127.32/1,301.10
6. Step 6: Final answer
   x = 1,063.04