Finding the Fourth Proportional to 2,785.50, 4,178.52 and 937.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,785.50 : 4,178.52 = 937.08 : x
2. Step 2: Convert to fraction form
   2,785.50/4,178.52 = 937.08/x
3. Step 3: Cross multiply
   2,785.50x = 4,178.52 × 937.08
4. Step 4: Simplify right side
   2,785.50x = 3,915,607.52
5. Step 5: Solve for x
   x = 3,915,607.52/2,785.50
6. Step 6: Final answer
   x = 1,405.71