Finding the Fourth Proportional to 2,634.72, 3,952.38 and 785.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,634.72 : 3,952.38 = 785.52 : x
2. Step 2: Convert to fraction form
   2,634.72/3,952.38 = 785.52/x
3. Step 3: Cross multiply
   2,634.72x = 3,952.38 × 785.52
4. Step 4: Simplify right side
   2,634.72x = 3,104,673.54
5. Step 5: Solve for x
   x = 3,104,673.54/2,634.72
6. Step 6: Final answer
   x = 1,178.37