Finding the Fourth Proportional to 1,064.64, 1,595.42 and 757.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,064.64 : 1,595.42 = 757.10 : x
2. Step 2: Convert to fraction form
   1,064.64/1,595.42 = 757.10/x
3. Step 3: Cross multiply
   1,064.64x = 1,595.42 × 757.10
4. Step 4: Simplify right side
   1,064.64x = 1,207,892.48
5. Step 5: Solve for x
   x = 1,207,892.48/1,064.64
6. Step 6: Final answer
   x = 1,134.55