Finding the Fourth Proportional to 2,782.88, 4,173.42 and 933.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,782.88 : 4,173.42 = 933.50 : x
2. Step 2: Convert to fraction form
   2,782.88/4,173.42 = 933.50/x
3. Step 3: Cross multiply
   2,782.88x = 4,173.42 × 933.50
4. Step 4: Simplify right side
   2,782.88x = 3,895,887.57
5. Step 5: Solve for x
   x = 3,895,887.57/2,782.88
6. Step 6: Final answer
   x = 1,399.95