Finding the Fourth Proportional to 1,300.57, 1,947.97 and 934.26

Step by Step Solution

1. Step 1: Write the proportion equation
   1,300.57 : 1,947.97 = 934.26 : x
2. Step 2: Convert to fraction form
   1,300.57/1,947.97 = 934.26/x
3. Step 3: Cross multiply
   1,300.57x = 1,947.97 × 934.26
4. Step 4: Simplify right side
   1,300.57x = 1,819,910.45
5. Step 5: Solve for x
   x = 1,819,910.45/1,300.57
6. Step 6: Final answer
   x = 1,399.32