Finding the Fourth Proportional to 1,346.99, 1,858.88 and 757.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,346.99 : 1,858.88 = 757.57 : x
2. Step 2: Convert to fraction form
   1,346.99/1,858.88 = 757.57/x
3. Step 3: Cross multiply
   1,346.99x = 1,858.88 × 757.57
4. Step 4: Simplify right side
   1,346.99x = 1,408,231.72
5. Step 5: Solve for x
   x = 1,408,231.72/1,346.99
6. Step 6: Final answer
   x = 1,045.47