Finding the Fourth Proportional to 1,347.18, 1,858.86 and 757.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,347.18 : 1,858.86 = 757.59 : x
2. Step 2: Convert to fraction form
   1,347.18/1,858.86 = 757.59/x
3. Step 3: Cross multiply
   1,347.18x = 1,858.86 × 757.59
4. Step 4: Simplify right side
   1,347.18x = 1,408,253.75
5. Step 5: Solve for x
   x = 1,408,253.75/1,347.18
6. Step 6: Final answer
   x = 1,045.33