Finding the Fourth Proportional to 1,347.06, 1,858.72 and 757.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,347.06 : 1,858.72 = 757.48 : x
2. Step 2: Convert to fraction form
   1,347.06/1,858.72 = 757.48/x
3. Step 3: Cross multiply
   1,347.06x = 1,858.72 × 757.48
4. Step 4: Simplify right side
   1,347.06x = 1,407,938.49
5. Step 5: Solve for x
   x = 1,407,938.49/1,347.06
6. Step 6: Final answer
   x = 1,045.20